413400646 has 4 divisors (see below), whose sum is σ = 620100972. Its totient is φ = 206700322.

The previous prime is 413400641. The next prime is 413400661. The reversal of 413400646 is 646004314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×413400646² = 341800188226434632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413400641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103350160 + ... + 103350163.

It is an arithmetic number, because the mean of its divisors is an integer number (155025243).

Almost surely, 2^413400646 is an apocalyptic number.

413400646 is a deficient number, since it is larger than the sum of its proper divisors (206700326).

413400646 is a wasteful number, since it uses less digits than its factorization.

413400646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206700325.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 413400646 is about 20332.2562938794. The cubic root of 413400646 is about 744.9441550861.

The spelling of 413400646 in words is "four hundred thirteen million, four hundred thousand, six hundred forty-six".