79406838 has 32 divisors (see below), whose sum is σ = 201669120. Its totient is φ = 22687560.

The previous prime is 79406837. The next prime is 79406839. The reversal of 79406838 is 83860497.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79406837) and next prime (79406839).

It is a junction number, because it is equal to n+sod(n) for n = 79406793 and 79406802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79406837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104658 + ... + 105413.

It is an arithmetic number, because the mean of its divisors is an integer number (6302160).

Almost surely, 2^79406838 is an apocalyptic number.

79406838 is an abundant number, since it is smaller than the sum of its proper divisors (122262282).

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

79406838 is a wasteful number, since it uses less digits than its factorization.

79406838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210089 (or 210083 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 79406838 is about 8911.0514531115. The cubic root of 79406838 is about 429.8193544431.

The spelling of 79406838 in words is "seventy-nine million, four hundred six thousand, eight hundred thirty-eight".