620501492 has 12 divisors (see below), whose sum is σ = 1169406756. Its totient is φ = 286385280.

The previous prime is 620501491. The next prime is 620501551. The reversal of 620501492 is 294105026.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 290497936 + 330003556 = 17044^2 + 18166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620501491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966309 + ... + 5966412.

It is an arithmetic number, because the mean of its divisors is an integer number (97450563).

Almost surely, 2^620501492 is an apocalyptic number.

It is an amenable number.

620501492 is a deficient number, since it is larger than the sum of its proper divisors (548905264).

620501492 is a wasteful number, since it uses less digits than its factorization.

620501492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932738 (or 11932736 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 620501492 is about 24909.8673621519. The cubic root of 620501492 is about 852.9317413049.

The spelling of 620501492 in words is "six hundred twenty million, five hundred one thousand, four hundred ninety-two".