87404130 has 64 divisors (see below), whose sum is σ = 254275200. Its totient is φ = 21188160.

The previous prime is 87404111. The next prime is 87404131. The reversal of 87404130 is 3140478.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 87404094 and 87404103.

It is not an unprimeable number, because it can be changed into a prime (87404131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11745 + ... + 17684.

It is an arithmetic number, because the mean of its divisors is an integer number (3973050).

Almost surely, 2^87404130 is an apocalyptic number.

87404130 is an abundant number, since it is smaller than the sum of its proper divisors (166871070).

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

87404130 is a wasteful number, since it uses less digits than its factorization.

87404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29456 (or 29450 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 87404130 is about 9349.0175954482. The cubic root of 87404130 is about 443.7898018918.

The spelling of 87404130 in words is "eighty-seven million, four hundred four thousand, one hundred thirty".