346299240 has 128 divisors (see below), whose sum is σ = 1201858560. Its totient is φ = 78184704.

The previous prime is 346299229. The next prime is 346299241. The reversal of 346299240 is 42992643.

346299240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (346299241) 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, 67237 + ... + 72203.

It is an arithmetic number, because the mean of its divisors is an integer number (9389520).

Almost surely, 2^346299240 is an apocalyptic number.

346299240 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 346299240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600929280).

346299240 is an abundant number, since it is smaller than the sum of its proper divisors (855559320).

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

346299240 is a wasteful number, since it uses less digits than its factorization.

346299240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 346299240 is about 18609.1171203795. The cubic root of 346299240 is about 702.2372230961.

The spelling of 346299240 in words is "three hundred forty-six million, two hundred ninety-nine thousand, two hundred forty".