610399221 has 8 divisors (see below), whose sum is σ = 841930080. Its totient is φ = 392900592.

The previous prime is 610399193. The next prime is 610399241. The reversal of 610399221 is 122993016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 610399221 - 2⁵ = 610399189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610399241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507955 + ... + 3508128.

It is an arithmetic number, because the mean of its divisors is an integer number (105241260).

Almost surely, 2^610399221 is an apocalyptic number.

It is an amenable number.

610399221 is a deficient number, since it is larger than the sum of its proper divisors (231530859).

610399221 is a wasteful number, since it uses less digits than its factorization.

610399221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016115.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 610399221 is about 24706.2587414606. The cubic root of 610399221 is about 848.2775829169.

The spelling of 610399221 in words is "six hundred ten million, three hundred ninety-nine thousand, two hundred twenty-one".