620490014 has 4 divisors (see below), whose sum is σ = 930735024. Its totient is φ = 310245006.

The previous prime is 620489993. The next prime is 620490029. The reversal of 620490014 is 410094026.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155122502 + ... + 155122505.

It is an arithmetic number, because the mean of its divisors is an integer number (232683756).

Almost surely, 2^620490014 is an apocalyptic number.

620490014 is a deficient number, since it is larger than the sum of its proper divisors (310245010).

620490014 is a wasteful number, since it uses less digits than its factorization.

620490014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310245009.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 620490014 is about 24909.6369704578. The cubic root of 620490014 is about 852.9264821121.

The spelling of 620490014 in words is "six hundred twenty million, four hundred ninety thousand, fourteen".