620599942 has 16 divisors (see below), whose sum is σ = 963642240. Its totient is φ = 299400192.

The previous prime is 620599919. The next prime is 620599979. The reversal of 620599942 is 249995026.

It is a junction number, because it is equal to n+sod(n) for n = 620599892 and 620599901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121798 + ... + 126790.

It is an arithmetic number, because the mean of its divisors is an integer number (60227640).

Almost surely, 2^620599942 is an apocalyptic number.

620599942 is a deficient number, since it is larger than the sum of its proper divisors (343042298).

620599942 is a wasteful number, since it uses less digits than its factorization.

620599942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 620599942 is about 24911.8434083068. The cubic root of 620599942 is about 852.9768482012.

The spelling of 620599942 in words is "six hundred twenty million, five hundred ninety-nine thousand, nine hundred forty-two".