79406 has 4 divisors (see below), whose sum is σ = 119112. Its totient is φ = 39702.
The previous prime is 79399. The next prime is 79411. The reversal of 79406 is 60497.
It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
79406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19850 + ... + 19853.
It is an arithmetic number, because the mean of its divisors is an integer number (29778).
279406 is an apocalyptic number.
79406 is a deficient number, since it is larger than the sum of its proper divisors (39706).
79406 is a wasteful number, since it uses less digits than its factorization.
79406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39705.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 79406 is about 281.7907024726. The cubic root of 79406 is about 42.9817842441.
The spelling of 79406 in words is "seventy-nine thousand, four hundred six".
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