86400004 has 6 divisors (see below), whose sum is σ = 151200014. Its totient is φ = 43200000.

The previous prime is 86399993. The next prime is 86400031. The reversal of 86400004 is 40000468.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 7011904 = 8910^2 + 2648^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10799997 + ... + 10800004.

Almost surely, 2^86400004 is an apocalyptic number.

It is an amenable number.

86400004 is a deficient number, since it is larger than the sum of its proper divisors (64800010).

86400004 is a wasteful number, since it uses less digits than its factorization.

86400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600005 (or 21600003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 86400004 is about 9295.1602460635. The cubic root of 86400004 is about 442.0837866591.

The spelling of 86400004 in words is "eighty-six million, four hundred thousand, four".