347479986 has 16 divisors (see below), whose sum is σ = 794240064. Its totient is φ = 99279984.

The previous prime is 347479981. The next prime is 347480011. The reversal of 347479986 is 689974743.

It is not an unprimeable number, because it can be changed into a prime (347479981) 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, 4136625 + ... + 4136708.

It is an arithmetic number, because the mean of its divisors is an integer number (49640004).

Almost surely, 2^347479986 is an apocalyptic number.

347479986 is an abundant number, since it is smaller than the sum of its proper divisors (446760078).

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

347479986 is a wasteful number, since it uses less digits than its factorization.

347479986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273345.

The product of its digits is 9144576, while the sum is 57.

The square root of 347479986 is about 18640.8150572876. The cubic root of 347479986 is about 703.0344365096.

The spelling of 347479986 in words is "three hundred forty-seven million, four hundred seventy-nine thousand, nine hundred eighty-six".