87290236 has 24 divisors (see below), whose sum is σ = 167207040. Its totient is φ = 39543600.

The previous prime is 87290227. The next prime is 87290243. The reversal of 87290236 is 63209278.

It is a junction number, because it is equal to n+sod(n) for n = 87290195 and 87290204.

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, 10495 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (6966960).

Almost surely, 2^87290236 is an apocalyptic number.

It is an amenable number.

87290236 is a deficient number, since it is larger than the sum of its proper divisors (79916804).

87290236 is a wasteful number, since it uses less digits than its factorization.

87290236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705 (or 6703 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 87290236 is about 9342.9243815842. The cubic root of 87290236 is about 443.5969545354.

The spelling of 87290236 in words is "eighty-seven million, two hundred ninety thousand, two hundred thirty-six".