601391994 has 48 divisors (see below), whose sum is σ = 1460006208. Its totient is φ = 164353728.

The previous prime is 601391981. The next prime is 601392013. The reversal of 601391994 is 499193106.

601391994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37707 + ... + 51230.

It is an arithmetic number, because the mean of its divisors is an integer number (30416796).

Almost surely, 2^601391994 is an apocalyptic number.

601391994 is an abundant number, since it is smaller than the sum of its proper divisors (858614214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601391994 is a wasteful number, since it uses less digits than its factorization.

601391994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88979 (or 88972 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 601391994 is about 24523.2949254377. The cubic root of 601391994 is about 844.0844133281.

The spelling of 601391994 in words is "six hundred one million, three hundred ninety-one thousand, nine hundred ninety-four".