348023940 has 96 divisors (see below), whose sum is σ = 1087865856. Its totient is φ = 82400640.

The previous prime is 348023903. The next prime is 348023947. The reversal of 348023940 is 49320843.

It is a super-2 number, since 2×348023940² = 242241325626247200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (348023947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22249 + ... + 34511.

It is an arithmetic number, because the mean of its divisors is an integer number (11331936).

Almost surely, 2^348023940 is an apocalyptic number.

348023940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348023940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543932928).

348023940 is an abundant number, since it is smaller than the sum of its proper divisors (739841916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348023940 is a wasteful number, since it uses less digits than its factorization.

348023940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329 (or 12327 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 348023940 is about 18655.3997544947. The cubic root of 348023940 is about 703.4010945748.

The spelling of 348023940 in words is "three hundred forty-eight million, twenty-three thousand, nine hundred forty".