646082414 has 4 divisors (see below), whose sum is σ = 969123624. Its totient is φ = 323041206.

The previous prime is 646082413. The next prime is 646082429. The reversal of 646082414 is 414280646.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646082413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161520602 + ... + 161520605.

It is an arithmetic number, because the mean of its divisors is an integer number (242280906).

Almost surely, 2^646082414 is an apocalyptic number.

646082414 is a deficient number, since it is larger than the sum of its proper divisors (323041210).

646082414 is a wasteful number, since it uses less digits than its factorization.

646082414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323041209.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 646082414 is about 25418.1512703029. The cubic root of 646082414 is about 864.4953069567.

The spelling of 646082414 in words is "six hundred forty-six million, eighty-two thousand, four hundred fourteen".