46400865 has 16 divisors (see below), whose sum is σ = 84847488. Its totient is φ = 21211776.

The previous prime is 46400863. The next prime is 46400881. The reversal of 46400865 is 56800464.

It is a happy number.

It is not a de Polignac number, because 46400865 - 2¹ = 46400863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46400863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220852 + ... + 221061.

It is an arithmetic number, because the mean of its divisors is an integer number (5302968).

Almost surely, 2^46400865 is an apocalyptic number.

It is an amenable number.

46400865 is a deficient number, since it is larger than the sum of its proper divisors (38446623).

46400865 is a wasteful number, since it uses less digits than its factorization.

46400865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441928.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 46400865 is about 6811.8180392609. The cubic root of 46400865 is about 359.3425887846.

The spelling of 46400865 in words is "forty-six million, four hundred thousand, eight hundred sixty-five".