621060304 has 10 divisors (see below), whose sum is σ = 1203304370. Its totient is φ = 310530144.

The previous prime is 621060301. The next prime is 621060311. The reversal of 621060304 is 403060126.

It can be written as a sum of positive squares in only one way, i.e., 614048400 + 7011904 = 24780^2 + 2648^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621060301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408119 + ... + 19408150.

It is an arithmetic number, because the mean of its divisors is an integer number (120330437).

Almost surely, 2^621060304 is an apocalyptic number.

It is an amenable number.

621060304 is a deficient number, since it is larger than the sum of its proper divisors (582244066).

621060304 is a wasteful number, since it uses less digits than its factorization.

621060304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38816277 (or 38816271 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 621060304 is about 24921.0815174623. The cubic root of 621060304 is about 853.1877092539.

The spelling of 621060304 in words is "six hundred twenty-one million, sixty thousand, three hundred four".