407231961 has 8 divisors (see below), whose sum is σ = 543321504. Its totient is φ = 271315200.

The previous prime is 407231917. The next prime is 407231987. The reversal of 407231961 is 169132704.

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

It is not a de Polignac number, because 407231961 - 2⁶ = 407231897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (407231911) 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, 37591 + ... + 47196.

It is an arithmetic number, because the mean of its divisors is an integer number (67915188).

Almost surely, 2^407231961 is an apocalyptic number.

It is an amenable number.

407231961 is a deficient number, since it is larger than the sum of its proper divisors (136089543).

407231961 is a wasteful number, since it uses less digits than its factorization.

407231961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86391.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 407231961 is about 20179.9891228910. The cubic root of 407231961 is about 741.2202663089.

The spelling of 407231961 in words is "four hundred seven million, two hundred thirty-one thousand, nine hundred sixty-one".