457631 has 8 divisors (see below), whose sum is σ = 484704. Its totient is φ = 431200.

The previous prime is 457621. The next prime is 457643. The reversal of 457631 is 136754.

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

It is a cyclic number.

It is not a de Polignac number, because 457631 - 2¹⁰ = 456607 is a prime.

It is a super-2 number, since 2×457631² = 418852264322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (60588).

2⁴⁵⁷⁶³¹ is an apocalyptic number.

457631 is a deficient number, since it is larger than the sum of its proper divisors (27073).

457631 is a wasteful number, since it uses less digits than its factorization.

457631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 2520, while the sum is 26.

The square root of 457631 is about 676.4842939788. The cubic root of 457631 is about 77.0616810543.

The spelling of 457631 in words is "four hundred fifty-seven thousand, six hundred thirty-one".