87190396 has 6 divisors (see below), whose sum is σ = 152583200. Its totient is φ = 43595196.

The previous prime is 87190393. The next prime is 87190403. The reversal of 87190396 is 69309178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87190393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10898796 + ... + 10898803.

Almost surely, 2^87190396 is an apocalyptic number.

It is an amenable number.

87190396 is a deficient number, since it is larger than the sum of its proper divisors (65392804).

87190396 is a wasteful number, since it uses less digits than its factorization.

87190396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21797603 (or 21797601 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 87190396 is about 9337.5797720823. The cubic root of 87190396 is about 443.4277656391.

The spelling of 87190396 in words is "eighty-seven million, one hundred ninety thousand, three hundred ninety-six".