946400031 has 10 divisors (see below), whose sum is σ = 1413758192. Its totient is φ = 630933300.

The previous prime is 946400027. The next prime is 946400069. The reversal of 946400031 is 130004649.

It is not a de Polignac number, because 946400031 - 2² = 946400027 is a prime.

It is a super-2 number, since 2×946400031² = 1791346037353601922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946399968 and 946400004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946400071) 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 9 ways as a sum of consecutive naturals, for example, 5841895 + ... + 5842056.

Almost surely, 2^946400031 is an apocalyptic number.

946400031 is a deficient number, since it is larger than the sum of its proper divisors (467358161).

946400031 is a wasteful number, since it uses less digits than its factorization.

946400031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683963 (or 11683954 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 946400031 is about 30763.6153759600. The cubic root of 946400031 is about 981.8042670797.

The spelling of 946400031 in words is "nine hundred forty-six million, four hundred thousand, thirty-one".