87415438 has 8 divisors (see below), whose sum is σ = 143043480. Its totient is φ = 39734280.

The previous prime is 87415429. The next prime is 87415439. The reversal of 87415438 is 83451478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 87415438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87415439) 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, 1986693 + ... + 1986736.

It is an arithmetic number, because the mean of its divisors is an integer number (17880435).

Almost surely, 2^87415438 is an apocalyptic number.

87415438 is a deficient number, since it is larger than the sum of its proper divisors (55628042).

87415438 is a wasteful number, since it uses less digits than its factorization.

87415438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973442.

The product of its digits is 107520, while the sum is 40.

The square root of 87415438 is about 9349.6223453143. The cubic root of 87415438 is about 443.8089396551.

The spelling of 87415438 in words is "eighty-seven million, four hundred fifteen thousand, four hundred thirty-eight".