349202500 has 30 divisors (see below), whose sum is σ = 763641494. Its totient is φ = 139680000.

The previous prime is 349202479. The next prime is 349202521. The reversal of 349202500 is 5202943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349202479) and next prime (349202521).

It can be written as a sum of positive squares in 5 ways, for example, as 214271044 + 134931456 = 14638^2 + 11616^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67341 + ... + 72340.

Almost surely, 2^349202500 is an apocalyptic number.

It is an amenable number.

349202500 is an abundant number, since it is smaller than the sum of its proper divisors (414438994).

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

349202500 is a wasteful number, since it uses less digits than its factorization.

349202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139705 (or 139688 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 349202500 is about 18686.9606945592. The cubic root of 349202500 is about 704.1942070310.

The spelling of 349202500 in words is "three hundred forty-nine million, two hundred two thousand, five hundred".