6401079 has 16 divisors (see below), whose sum is σ = 9523200. Its totient is φ = 4249368.

The previous prime is 6401069. The next prime is 6401093. The reversal of 6401079 is 9701046.

6401079 is a `hidden beast` number, since 640 + 10 + 7 + 9 = 666.

6401079 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6401079 - 2⁷ = 6400951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10032 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (595200).

Almost surely, 2^6401079 is an apocalyptic number.

6401079 is a deficient number, since it is larger than the sum of its proper divisors (3122121).

6401079 is a wasteful number, since it uses less digits than its factorization.

6401079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 6401079 is about 2530.0353752468. The cubic root of 6401079 is about 185.6739866631.

The spelling of 6401079 in words is "six million, four hundred one thousand, seventy-nine".