46400436 has 36 divisors (see below), whose sum is σ = 117954564. Its totient is φ = 15379200.

The previous prime is 46400423. The next prime is 46400447. The reversal of 46400436 is 63400464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 756900 + 45643536 = 870^2 + 6756^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956 + ... + 10076.

Almost surely, 2^46400436 is an apocalyptic number.

It is an amenable number.

46400436 is an abundant number, since it is smaller than the sum of its proper divisors (71554128).

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

46400436 is a wasteful number, since it uses less digits than its factorization.

46400436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312 (or 7307 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 46400436 is about 6811.7865497973. The cubic root of 46400436 is about 359.3414813452.

The spelling of 46400436 in words is "forty-six million, four hundred thousand, four hundred thirty-six".