351506996 has 6 divisors (see below), whose sum is σ = 615137250. Its totient is φ = 175753496.

The previous prime is 351506989. The next prime is 351507019. The reversal of 351506996 is 699605153.

It can be written as a sum of positive squares in only one way, i.e., 327103396 + 24403600 = 18086^2 + 4940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43938371 + ... + 43938378.

It is an arithmetic number, because the mean of its divisors is an integer number (102522875).

Almost surely, 2^351506996 is an apocalyptic number.

It is an amenable number.

351506996 is a deficient number, since it is larger than the sum of its proper divisors (263630254).

351506996 is a wasteful number, since it uses less digits than its factorization.

351506996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87876753 (or 87876751 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 351506996 is about 18748.5198349096. The cubic root of 351506996 is about 705.7398774740.

The spelling of 351506996 in words is "three hundred fifty-one million, five hundred six thousand, nine hundred ninety-six".