87420396 has 48 divisors (see below), whose sum is σ = 233709056. Its totient is φ = 24914304.

The previous prime is 87420379. The next prime is 87420397. The reversal of 87420396 is 69302478.

It is not an unprimeable number, because it can be changed into a prime (87420397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39840 + ... + 41976.

Almost surely, 2^87420396 is an apocalyptic number.

It is an amenable number.

87420396 is an abundant number, since it is smaller than the sum of its proper divisors (146288660).

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

87420396 is a wasteful number, since it uses less digits than its factorization.

87420396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 87420396 is about 9349.8874859540. The cubic root of 87420396 is about 443.8173300996.

The spelling of 87420396 in words is "eighty-seven million, four hundred twenty thousand, three hundred ninety-six".