2999961 has 12 divisors (see below), whose sum is σ = 4353492. Its totient is φ = 1990656.

The previous prime is 2999957. The next prime is 2999999. The reversal of 2999961 is 1699992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2975625 + 24336 = 1725^2 + 156^2 .

It is not a de Polignac number, because 2999961 - 2² = 2999957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2999911) 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, 1665 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (362791).

2^2999961 is an apocalyptic number.

It is an amenable number.

2999961 is a deficient number, since it is larger than the sum of its proper divisors (1353531).

2999961 is a wasteful number, since it uses less digits than its factorization.

2999961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1557 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 2999961 is about 1732.0395492020. The cubic root of 2999961 is about 144.2243320532.

The spelling of 2999961 in words is "two million, nine hundred ninety-nine thousand, nine hundred sixty-one".