3172479 has 4 divisors (see below), whose sum is σ = 4229976. Its totient is φ = 2114984.

The previous prime is 3172471. The next prime is 3172501. The reversal of 3172479 is 9742713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9742713 = 3 ⋅3247571.

It is a cyclic number.

It is not a de Polignac number, because 3172479 - 2³ = 3172471 is a prime.

It is a D-number.

3172479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528744 + ... + 528749.

It is an arithmetic number, because the mean of its divisors is an integer number (1057494).

Almost surely, 2^3172479 is an apocalyptic number.

3172479 is a deficient number, since it is larger than the sum of its proper divisors (1057497).

3172479 is a wasteful number, since it uses less digits than its factorization.

3172479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057496.

The product of its digits is 10584, while the sum is 33.

The square root of 3172479 is about 1781.1454179825. The cubic root of 3172479 is about 146.9375920937.

The spelling of 3172479 in words is "three million, one hundred seventy-two thousand, four hundred seventy-nine".