351490087 has 6 divisors (see below), whose sum is σ = 380607792. Its totient is φ = 324452232.

The previous prime is 351490067. The next prime is 351490091. The reversal of 351490087 is 780094153.

It is a de Polignac number, because none of the positive numbers 2^k-351490087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351490037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1039743 + ... + 1040080.

It is an arithmetic number, because the mean of its divisors is an integer number (63434632).

Almost surely, 2^351490087 is an apocalyptic number.

351490087 is a deficient number, since it is larger than the sum of its proper divisors (29117705).

351490087 is a wasteful number, since it uses less digits than its factorization.

351490087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079849 (or 2079836 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 351490087 is about 18748.0688872214. The cubic root of 351490087 is about 705.7285609169.

The spelling of 351490087 in words is "three hundred fifty-one million, four hundred ninety thousand, eighty-seven".