56407398 has 8 divisors (see below), whose sum is σ = 112814808. Its totient is φ = 18802464.

The previous prime is 56407369. The next prime is 56407433. The reversal of 56407398 is 89370465.

It is a happy number.

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

56407398 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700611 + ... + 4700622.

It is an arithmetic number, because the mean of its divisors is an integer number (14101851).

Almost surely, 2^56407398 is an apocalyptic number.

56407398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56407398 is a wasteful number, since it uses less digits than its factorization.

56407398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401238.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 56407398 is about 7510.4858697690. The cubic root of 56407398 is about 383.5117628486.

The spelling of 56407398 in words is "fifty-six million, four hundred seven thousand, three hundred ninety-eight".