407996534 has 16 divisors (see below), whose sum is σ = 690653520. Its totient is φ = 179057760.

The previous prime is 407996507. The next prime is 407996551. The reversal of 407996534 is 435699704.

It is a happy number.

It is a super-2 number, since 2×407996534² = 332922343512026312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319109 + ... + 320384.

It is an arithmetic number, because the mean of its divisors is an integer number (43165845).

Almost surely, 2^407996534 is an apocalyptic number.

407996534 is a deficient number, since it is larger than the sum of its proper divisors (282656986).

407996534 is a wasteful number, since it uses less digits than its factorization.

407996534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639535.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 407996534 is about 20198.9240802573. The cubic root of 407996534 is about 741.6838536157.

The spelling of 407996534 in words is "four hundred seven million, nine hundred ninety-six thousand, five hundred thirty-four".