407498431 has 2 divisors, whose sum is σ = 407498432. Its totient is φ = 407498430.

The previous prime is 407498419. The next prime is 407498437. The reversal of 407498431 is 134894704.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407498431 is a prime.

It is a super-2 number, since 2×407498431² = 332109942534923522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407498437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203749215 + 203749216.

It is an arithmetic number, because the mean of its divisors is an integer number (203749216).

Almost surely, 2^407498431 is an apocalyptic number.

407498431 is a deficient number, since it is larger than the sum of its proper divisors (1).

407498431 is an equidigital number, since it uses as much as digits as its factorization.

407498431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 407498431 is about 20186.5903757915. The cubic root of 407498431 is about 741.3819021974.

The spelling of 407498431 in words is "four hundred seven million, four hundred ninety-eight thousand, four hundred thirty-one".