3479621 has 4 divisors (see below), whose sum is σ = 3491052. Its totient is φ = 3468192.

The previous prime is 3479573. The next prime is 3479627. The reversal of 3479621 is 1269743.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148996 + 3330625 = 386^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479621 - 2⁶ = 3479557 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 (3479627) 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, 5246 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (872763).

Almost surely, 2^3479621 is an apocalyptic number.

It is an amenable number.

3479621 is a deficient number, since it is larger than the sum of its proper divisors (11431).

3479621 is a wasteful number, since it uses less digits than its factorization.

3479621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430.

The product of its digits is 9072, while the sum is 32.

The square root of 3479621 is about 1865.3742251891. The cubic root of 3479621 is about 151.5341955363.

The spelling of 3479621 in words is "three million, four hundred seventy-nine thousand, six hundred twenty-one".