620617134 has 16 divisors (see below), whose sum is σ = 1244815488. Its totient is φ = 206275512.

The previous prime is 620617133. The next prime is 620617171. The reversal of 620617134 is 431716026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620617133) 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, 146962 + ... + 151125.

It is an arithmetic number, because the mean of its divisors is an integer number (77800968).

Almost surely, 2^620617134 is an apocalyptic number.

620617134 is an abundant number, since it is smaller than the sum of its proper divisors (624198354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620617134 is a wasteful number, since it uses less digits than its factorization.

620617134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298439.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 620617134 is about 24912.1884626783. The cubic root of 620617134 is about 852.9847245810.

The spelling of 620617134 in words is "six hundred twenty million, six hundred seventeen thousand, one hundred thirty-four".