2978499 has 8 divisors (see below), whose sum is σ = 3996352. Its totient is φ = 1973160.

The previous prime is 2978491. The next prime is 2978501. The reversal of 2978499 is 9948792.

It is a happy number.

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

It is not a de Polignac number, because 2978499 - 2³ = 2978491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978491) 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, 2557 + ... + 3534.

It is an arithmetic number, because the mean of its divisors is an integer number (499544).

2^2978499 is an apocalyptic number.

2978499 is a deficient number, since it is larger than the sum of its proper divisors (1017853).

2978499 is a wasteful number, since it uses less digits than its factorization.

2978499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257.

The product of its digits is 326592, while the sum is 48.

The square root of 2978499 is about 1725.8328424271. The cubic root of 2978499 is about 143.8795771771.

The spelling of 2978499 in words is "two million, nine hundred seventy-eight thousand, four hundred ninety-nine".