620653598 has 8 divisors (see below), whose sum is σ = 933055200. Its totient is φ = 309635200.

The previous prime is 620653591. The next prime is 620653609. The reversal of 620653598 is 895356026.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620653591) 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 3 ways as a sum of consecutive naturals, for example, 344678 + ... + 346473.

It is an arithmetic number, because the mean of its divisors is an integer number (116631900).

Almost surely, 2^620653598 is an apocalyptic number.

620653598 is a deficient number, since it is larger than the sum of its proper divisors (312401602).

620653598 is a wasteful number, since it uses less digits than its factorization.

620653598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691602.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 620653598 is about 24912.9203025258. The cubic root of 620653598 is about 853.0014297948.

The spelling of 620653598 in words is "six hundred twenty million, six hundred fifty-three thousand, five hundred ninety-eight".