349802500 has 30 divisors (see below), whose sum is σ = 764953574. Its totient is φ = 139920000.

The previous prime is 349802429. The next prime is 349802501. The reversal of 349802500 is 5208943.

It can be written as a sum of positive squares in 5 ways, for example, as 268369924 + 81432576 = 16382^2 + 9024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349802501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67461 + ... + 72460.

Almost surely, 2^349802500 is an apocalyptic number.

It is an amenable number.

349802500 is an abundant number, since it is smaller than the sum of its proper divisors (415151074).

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

349802500 is a wasteful number, since it uses less digits than its factorization.

349802500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139945 (or 139928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 349802500 is about 18703.0077794990. The cubic root of 349802500 is about 704.5972919322.

The spelling of 349802500 in words is "three hundred forty-nine million, eight hundred two thousand, five hundred".