351309996 has 18 divisors (see below), whose sum is σ = 888033692. Its totient is φ = 117103320.

The previous prime is 351309989. The next prime is 351310039. The reversal of 351309996 is 699903153.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4879270 + ... + 4879341.

Almost surely, 2^351309996 is an apocalyptic number.

351309996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

351309996 is an abundant number, since it is smaller than the sum of its proper divisors (536723696).

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

351309996 is a wasteful number, since it uses less digits than its factorization.

351309996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758621 (or 9758616 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 351309996 is about 18743.2653505199. The cubic root of 351309996 is about 705.6080102674.

The spelling of 351309996 in words is "three hundred fifty-one million, three hundred nine thousand, nine hundred ninety-six".