2961009 has 16 divisors (see below), whose sum is σ = 4645440. Its totient is φ = 1857600.

The previous prime is 2960989. The next prime is 2961019. The reversal of 2961009 is 9001692.

It is a happy number.

It is not a de Polignac number, because 2961009 - 2⁵ = 2960977 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2961019) 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, 2767 + ... + 3684.

It is an arithmetic number, because the mean of its divisors is an integer number (290340).

2^2961009 is an apocalyptic number.

It is an amenable number.

2961009 is a deficient number, since it is larger than the sum of its proper divisors (1684431).

2961009 is a wasteful number, since it uses less digits than its factorization.

2961009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477 (or 6471 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2961009 is about 1720.7582630922. The cubic root of 2961009 is about 143.5973997507.

The spelling of 2961009 in words is "two million, nine hundred sixty-one thousand, nine".