2928961 has 4 divisors (see below), whose sum is σ = 3347392. Its totient is φ = 2510532.

The previous prime is 2928953. The next prime is 2928967. The reversal of 2928961 is 1698292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2928961 - 2³ = 2928953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2928961.

It is not an unprimeable number, because it can be changed into a prime (2928967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209205 + ... + 209218.

It is an arithmetic number, because the mean of its divisors is an integer number (836848).

2^2928961 is an apocalyptic number.

It is an amenable number.

2928961 is a deficient number, since it is larger than the sum of its proper divisors (418431).

2928961 is an equidigital number, since it uses as much as digits as its factorization.

2928961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418430.

The product of its digits is 15552, while the sum is 37.

The square root of 2928961 is about 1711.4207548116. The cubic root of 2928961 is about 143.0774516450.

The spelling of 2928961 in words is "two million, nine hundred twenty-eight thousand, nine hundred sixty-one".