646262014 has 4 divisors (see below), whose sum is σ = 969393024. Its totient is φ = 323131006.

The previous prime is 646262011. The next prime is 646262033. The reversal of 646262014 is 410262646.

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 (646262011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565502 + ... + 161565505.

It is an arithmetic number, because the mean of its divisors is an integer number (242348256).

Almost surely, 2^646262014 is an apocalyptic number.

646262014 is a deficient number, since it is larger than the sum of its proper divisors (323131010).

646262014 is a wasteful number, since it uses less digits than its factorization.

646262014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323131009.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 646262014 is about 25421.6839332095. The cubic root of 646262014 is about 864.5754045671.

The spelling of 646262014 in words is "six hundred forty-six million, two hundred sixty-two thousand, fourteen".