407031612 has 96 divisors (see below), whose sum is σ = 1118121984. Its totient is φ = 114048000.

The previous prime is 407031607. The next prime is 407031613. The reversal of 407031612 is 216130704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407031613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79737 + ... + 84687.

It is an arithmetic number, because the mean of its divisors is an integer number (11647104).

Almost surely, 2^407031612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 407031612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559060992).

407031612 is an abundant number, since it is smaller than the sum of its proper divisors (711090372).

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

407031612 is a wasteful number, since it uses less digits than its factorization.

407031612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 5017 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 407031612 is about 20175.0244609517. The cubic root of 407031612 is about 741.0986917819.

The spelling of 407031612 in words is "four hundred seven million, thirty-one thousand, six hundred twelve".