87842396 has 12 divisors (see below), whose sum is σ = 161815080. Its totient is φ = 41609520.

The previous prime is 87842393. The next prime is 87842401. The reversal of 87842396 is 69324878.

It is a self number, because there is not a number n which added to its sum of digits gives 87842396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87842393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577835 + ... + 577986.

It is an arithmetic number, because the mean of its divisors is an integer number (13484590).

Almost surely, 2^87842396 is an apocalyptic number.

It is an amenable number.

87842396 is a deficient number, since it is larger than the sum of its proper divisors (73972684).

87842396 is a wasteful number, since it uses less digits than its factorization.

87842396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155844 (or 1155842 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 87842396 is about 9372.4274337015. The cubic root of 87842396 is about 444.5303229512.

The spelling of 87842396 in words is "eighty-seven million, eight hundred forty-two thousand, three hundred ninety-six".