2979409 has 8 divisors (see below), whose sum is σ = 3156480. Its totient is φ = 2804400.

The previous prime is 2979407. The next prime is 2979419. The reversal of 2979409 is 9049792.

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

It is not a de Polignac number, because 2979409 - 2¹ = 2979407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2979407) 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, 3219 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (394560).

2^2979409 is an apocalyptic number.

It is an amenable number.

2979409 is a deficient number, since it is larger than the sum of its proper divisors (177071).

2979409 is a wasteful number, since it uses less digits than its factorization.

2979409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 2979409 is about 1726.0964631213. The cubic root of 2979409 is about 143.8942285259.

The spelling of 2979409 in words is "two million, nine hundred seventy-nine thousand, four hundred nine".