3140479 has 4 divisors (see below), whose sum is σ = 3144640. Its totient is φ = 3136320.

The previous prime is 3140447. The next prime is 3140507. The reversal of 3140479 is 9740413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3140479 - 2⁵ = 3140447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840479) 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, 594 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (786160).

Almost surely, 2^3140479 is an apocalyptic number.

3140479 is a deficient number, since it is larger than the sum of its proper divisors (4161).

3140479 is an equidigital number, since it uses as much as digits as its factorization.

3140479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3140479 is about 1772.1396671820. The cubic root of 3140479 is about 146.4418807539.

The spelling of 3140479 in words is "three million, one hundred forty thousand, four hundred seventy-nine".