351649132 has 12 divisors (see below), whose sum is σ = 616707000. Its totient is φ = 175447136.

The previous prime is 351649127. The next prime is 351649163. The reversal of 351649132 is 231946153.

It is a super-2 number, since 2×351649132² = 247314224072706848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92257 + ... + 95992.

It is an arithmetic number, because the mean of its divisors is an integer number (51392250).

Almost surely, 2^351649132 is an apocalyptic number.

It is an amenable number.

351649132 is a deficient number, since it is larger than the sum of its proper divisors (265057868).

351649132 is a wasteful number, since it uses less digits than its factorization.

351649132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188720 (or 188718 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 351649132 is about 18752.3100443652. The cubic root of 351649132 is about 705.8349894032.

The spelling of 351649132 in words is "three hundred fifty-one million, six hundred forty-nine thousand, one hundred thirty-two".