406346457 has 16 divisors (see below), whose sum is σ = 591425280. Its totient is φ = 246114000.

The previous prime is 406346429. The next prime is 406346467. The reversal of 406346457 is 754643604.

It is a happy number.

It is not a de Polignac number, because 406346457 - 2⁷ = 406346329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406346417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69082 + ... + 74732.

It is an arithmetic number, because the mean of its divisors is an integer number (36964080).

Almost surely, 2^406346457 is an apocalyptic number.

It is an amenable number.

406346457 is a deficient number, since it is larger than the sum of its proper divisors (185078823).

406346457 is a wasteful number, since it uses less digits than its factorization.

406346457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 406346457 is about 20158.0370324097. The cubic root of 406346457 is about 740.6826285625.

The spelling of 406346457 in words is "four hundred six million, three hundred forty-six thousand, four hundred fifty-seven".