2975409 has 12 divisors (see below), whose sum is σ = 4317300. Its totient is φ = 1974624.

The previous prime is 2975393. The next prime is 2975417. The reversal of 2975409 is 9045792.

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 1272384 = 1305^2 + 1128^2 .

It is not a de Polignac number, because 2975409 - 2⁴ = 2975393 is a prime.

2975409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2975449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1807 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (359775).

2^2975409 is an apocalyptic number.

It is an amenable number.

2975409 is a deficient number, since it is larger than the sum of its proper divisors (1341891).

2975409 is a wasteful number, since it uses less digits than its factorization.

2975409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2975409 is about 1724.9373901681. The cubic root of 2975409 is about 143.8298047105.

The spelling of 2975409 in words is "two million, nine hundred seventy-five thousand, four hundred nine".