620702086 has 16 divisors (see below), whose sum is σ = 940423680. Its totient is φ = 307238400.

The previous prime is 620702039. The next prime is 620702087. The reversal of 620702086 is 680207026.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620702087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126886 + ... + 131686.

It is an arithmetic number, because the mean of its divisors is an integer number (58776480).

Almost surely, 2^620702086 is an apocalyptic number.

620702086 is a deficient number, since it is larger than the sum of its proper divisors (319721594).

620702086 is a wasteful number, since it uses less digits than its factorization.

620702086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 620702086 is about 24913.8934331830. The cubic root of 620702086 is about 853.0236425377.

The spelling of 620702086 in words is "six hundred twenty million, seven hundred two thousand, eighty-six".