464651985 has 16 divisors (see below), whose sum is σ = 849649536. Its totient is φ = 212412288.

The previous prime is 464651951. The next prime is 464652017. The reversal of 464651985 is 589156464.

It is not a de Polignac number, because 464651985 - 2⁶ = 464651921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212524 + ... + 2212733.

It is an arithmetic number, because the mean of its divisors is an integer number (53103096).

Almost surely, 2^464651985 is an apocalyptic number.

It is an amenable number.

464651985 is a deficient number, since it is larger than the sum of its proper divisors (384997551).

464651985 is a wasteful number, since it uses less digits than its factorization.

464651985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425272.

The product of its digits is 1036800, while the sum is 48.

The square root of 464651985 is about 21555.7877378675. The cubic root of 464651985 is about 774.5377666820.

The spelling of 464651985 in words is "four hundred sixty-four million, six hundred fifty-one thousand, nine hundred eighty-five".