406646151 has 8 divisors (see below), whose sum is σ = 570731520. Its totient is φ = 256829112.

The previous prime is 406646147. The next prime is 406646153. The reversal of 406646151 is 151646604.

It is a happy number.

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

It is not a de Polignac number, because 406646151 - 2² = 406646147 is a prime.

It is a super-2 number, since 2×406646151² = 330722184246229602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406646153) 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, 3567015 + ... + 3567128.

It is an arithmetic number, because the mean of its divisors is an integer number (71341440).

Almost surely, 2^406646151 is an apocalyptic number.

406646151 is a deficient number, since it is larger than the sum of its proper divisors (164085369).

406646151 is a wasteful number, since it uses less digits than its factorization.

406646151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134165.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 406646151 is about 20165.4692729924. The cubic root of 406646151 is about 740.8646764891.

The spelling of 406646151 in words is "four hundred six million, six hundred forty-six thousand, one hundred fifty-one".