3499979 has 8 divisors (see below), whose sum is σ = 4174080. Its totient is φ = 2869416.

The previous prime is 3499973. The next prime is 3499999. The reversal of 3499979 is 9799943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3499979 - 2¹² = 3495883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499973) 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, 10709 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (521760).

Almost surely, 2^3499979 is an apocalyptic number.

3499979 is a deficient number, since it is larger than the sum of its proper divisors (674101).

3499979 is a wasteful number, since it uses less digits than its factorization.

3499979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21769.

The product of its digits is 551124, while the sum is 50.

The square root of 3499979 is about 1870.8230808925. The cubic root of 3499979 is about 151.8291449343.

The spelling of 3499979 in words is "three million, four hundred ninety-nine thousand, nine hundred seventy-nine".