2978269 has 16 divisors (see below), whose sum is σ = 3664000. Its totient is φ = 2413152.

The previous prime is 2978267. The next prime is 2978273. The reversal of 2978269 is 9628792.

It is a happy number.

It is not a de Polignac number, because 2978269 - 2¹ = 2978267 is a prime.

It is a super-2 number, since 2×2978269² = 17740172472722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (229000).

2^2978269 is an apocalyptic number.

It is an amenable number.

2978269 is a deficient number, since it is larger than the sum of its proper divisors (685731).

2978269 is an equidigital number, since it uses as much as digits as its factorization.

2978269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 483 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 2978269 is about 1725.7662066456. The cubic root of 2978269 is about 143.8758736165.

The spelling of 2978269 in words is "two million, nine hundred seventy-eight thousand, two hundred sixty-nine".