79401406 has 16 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 33947640.

The previous prime is 79401403. The next prime is 79401409. The reversal of 79401406 is 60410497.

It is an interprime number because it is at equal distance from previous prime (79401403) and next prime (79401409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79401401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (8527680).

Almost surely, 2^79401406 is an apocalyptic number.

79401406 is a deficient number, since it is larger than the sum of its proper divisors (57041474).

79401406 is a wasteful number, since it uses less digits than its factorization.

79401406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 79401406 is about 8910.7466578284. The cubic root of 79401406 is about 429.8095533057.

The spelling of 79401406 in words is "seventy-nine million, four hundred one thousand, four hundred six".