601891047 has 16 divisors (see below), whose sum is σ = 896851680. Its totient is φ = 398938176.

The previous prime is 601891033. The next prime is 601891067. The reversal of 601891047 is 740198106.

601891047 is a `hidden beast` number, since 601 + 8 + 9 + 1 + 0 + 47 = 666.

It is not a de Polignac number, because 601891047 - 2⁸ = 601890791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601891067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59758 + ... + 69099.

It is an arithmetic number, because the mean of its divisors is an integer number (56053230).

Almost surely, 2^601891047 is an apocalyptic number.

601891047 is a deficient number, since it is larger than the sum of its proper divisors (294960633).

601891047 is a wasteful number, since it uses less digits than its factorization.

601891047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129039 (or 129033 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 601891047 is about 24533.4678959172. The cubic root of 601891047 is about 844.3178309085.

The spelling of 601891047 in words is "six hundred one million, eight hundred ninety-one thousand, forty-seven".