406426792 has 8 divisors (see below), whose sum is σ = 762050250. Its totient is φ = 203213392.

The previous prime is 406426753. The next prime is 406426817. The reversal of 406426792 is 297624604.

It can be written as a sum of positive squares in only one way, i.e., 352463076 + 53963716 = 18774^2 + 7346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×406426792² = 330365474510822528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25401667 + ... + 25401682.

Almost surely, 2^406426792 is an apocalyptic number.

It is an amenable number.

406426792 is a deficient number, since it is larger than the sum of its proper divisors (355623458).

406426792 is a wasteful number, since it uses less digits than its factorization.

406426792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50803355 (or 50803351 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 406426792 is about 20160.0295634704. The cubic root of 406426792 is about 740.7314365170.

The spelling of 406426792 in words is "four hundred six million, four hundred twenty-six thousand, seven hundred ninety-two".