2976561 has 16 divisors (see below), whose sum is σ = 5040000. Its totient is φ = 1700784.

The previous prime is 2976553. The next prime is 2976569. The reversal of 2976561 is 1656792.

2976561 is a `hidden beast` number, since 2 + 97 + 6 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (2976553) and next prime (2976569).

It is not a de Polignac number, because 2976561 - 2³ = 2976553 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

2976561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2976569) 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, 7686 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (315000).

2^2976561 is an apocalyptic number.

2976561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2976561 is a deficient number, since it is larger than the sum of its proper divisors (2063439).

2976561 is a wasteful number, since it uses less digits than its factorization.

2976561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765 (or 15759 counting only the distinct ones).

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

The square root of 2976561 is about 1725.2712830161. The cubic root of 2976561 is about 143.8483646861.

The spelling of 2976561 in words is "two million, nine hundred seventy-six thousand, five hundred sixty-one".