407690636 has 6 divisors (see below), whose sum is σ = 713458620. Its totient is φ = 203845316.

The previous prime is 407690627. The next prime is 407690659. The reversal of 407690636 is 636096704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 407690593 and 407690602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50961326 + ... + 50961333.

It is an arithmetic number, because the mean of its divisors is an integer number (118909770).

Almost surely, 2^407690636 is an apocalyptic number.

It is an amenable number.

407690636 is a deficient number, since it is larger than the sum of its proper divisors (305767984).

407690636 is a wasteful number, since it uses less digits than its factorization.

407690636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101922663 (or 101922661 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 407690636 is about 20191.3505244201. The cubic root of 407690636 is about 741.4984465402.

The spelling of 407690636 in words is "four hundred seven million, six hundred ninety thousand, six hundred thirty-six".