427246631 has 8 divisors (see below), whose sum is σ = 498247200. Its totient is φ = 366211104.

The previous prime is 427246627. The next prime is 427246637. The reversal of 427246631 is 136642724.

It is not a de Polignac number, because 427246631 - 2² = 427246627 is a prime.

It is a super-2 number, since 2×427246631² = 365079367401700322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427246591 and 427246600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427246637) 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, 622466 + ... + 623151.

It is an arithmetic number, because the mean of its divisors is an integer number (62280900).

Almost surely, 2^427246631 is an apocalyptic number.

427246631 is a deficient number, since it is larger than the sum of its proper divisors (71000569).

427246631 is an equidigital number, since it uses as much as digits as its factorization.

427246631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245638 (or 1245624 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 427246631 is about 20669.9451136185. The cubic root of 427246631 is about 753.1697732511.

The spelling of 427246631 in words is "four hundred twenty-seven million, two hundred forty-six thousand, six hundred thirty-one".