464628381 has 32 divisors (see below), whose sum is σ = 718080000. Its totient is φ = 261748800.

The previous prime is 464628379. The next prime is 464628397. The reversal of 464628381 is 183826464.

It is not a de Polignac number, because 464628381 - 2¹ = 464628379 is a prime.

It is a super-2 number, since 2×464628381² = 431759064861362322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464628361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 930870 + ... + 931368.

It is an arithmetic number, because the mean of its divisors is an integer number (22440000).

Almost surely, 2^464628381 is an apocalyptic number.

It is an amenable number.

464628381 is a deficient number, since it is larger than the sum of its proper divisors (253451619).

464628381 is a wasteful number, since it uses less digits than its factorization.

464628381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 221184, while the sum is 42.

The square root of 464628381 is about 21555.2402213476. The cubic root of 464628381 is about 774.5246511320.

The spelling of 464628381 in words is "four hundred sixty-four million, six hundred twenty-eight thousand, three hundred eighty-one".