348917490 has 64 divisors (see below), whose sum is σ = 932342400. Its totient is φ = 92855232.

The previous prime is 348917461. The next prime is 348917507. The reversal of 348917490 is 94719843.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175321 + ... + 177299.

It is an arithmetic number, because the mean of its divisors is an integer number (14567850).

Almost surely, 2^348917490 is an apocalyptic number.

348917490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 348917490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466171200).

348917490 is an abundant number, since it is smaller than the sum of its proper divisors (583424910).

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

348917490 is a wasteful number, since it uses less digits than its factorization.

348917490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 348917490 is about 18679.3332322115. Note that the first 3 decimals coincide. The cubic root of 348917490 is about 704.0025732193.

The spelling of 348917490 in words is "three hundred forty-eight million, nine hundred seventeen thousand, four hundred ninety".