87297446 has 16 divisors (see below), whose sum is σ = 135384480. Its totient is φ = 42189120.

The previous prime is 87297437. The next prime is 87297451. The reversal of 87297446 is 64479278.

It is a self number, because there is not a number n which added to its sum of digits gives 87297446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (8461530).

Almost surely, 2^87297446 is an apocalyptic number.

87297446 is a deficient number, since it is larger than the sum of its proper divisors (48087034).

87297446 is a wasteful number, since it uses less digits than its factorization.

87297446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919.

The product of its digits is 677376, while the sum is 47.

The square root of 87297446 is about 9343.3102271090. The cubic root of 87297446 is about 443.6091676081.

The spelling of 87297446 in words is "eighty-seven million, two hundred ninety-seven thousand, four hundred forty-six".