87281446 has 24 divisors (see below), whose sum is σ = 156419856. Its totient is φ = 36393840.

The previous prime is 87281419. The next prime is 87281521. The reversal of 87281446 is 64418278.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 87281399 and 87281408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8410 + ... + 15661.

It is an arithmetic number, because the mean of its divisors is an integer number (6517494).

Almost surely, 2^87281446 is an apocalyptic number.

87281446 is a deficient number, since it is larger than the sum of its proper divisors (69138410).

87281446 is a wasteful number, since it uses less digits than its factorization.

87281446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124 (or 24117 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 87281446 is about 9342.4539602826. The cubic root of 87281446 is about 443.5820641792.

The spelling of 87281446 in words is "eighty-seven million, two hundred eighty-one thousand, four hundred forty-six".