407331942 has 8 divisors (see below), whose sum is σ = 814663896. Its totient is φ = 135777312.

The previous prime is 407331923. The next prime is 407331961. The reversal of 407331942 is 249133704.

It is an interprime number because it is at equal distance from previous prime (407331923) and next prime (407331961).

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

407331942 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33944323 + ... + 33944334.

It is an arithmetic number, because the mean of its divisors is an integer number (101832987).

Almost surely, 2^407331942 is an apocalyptic number.

407331942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

407331942 is a wasteful number, since it uses less digits than its factorization.

407331942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67888662.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 407331942 is about 20182.4662021270. The cubic root of 407331942 is about 741.2809212399.

The spelling of 407331942 in words is "four hundred seven million, three hundred thirty-one thousand, nine hundred forty-two".