2764921 has 8 divisors (see below), whose sum is σ = 2892800. Its totient is φ = 2639520.

The previous prime is 2764913. The next prime is 2764933. The reversal of 2764921 is 1294672.

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

It is a cyclic number.

It is not a de Polignac number, because 2764921 - 2³ = 2764913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2764901) 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, 1885 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (361600).

2^2764921 is an apocalyptic number.

It is an amenable number.

2764921 is a deficient number, since it is larger than the sum of its proper divisors (127879).

2764921 is a wasteful number, since it uses less digits than its factorization.

2764921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 6048, while the sum is 31.

The square root of 2764921 is about 1662.8051599631. The cubic root of 2764921 is about 140.3548988936.

The spelling of 2764921 in words is "two million, seven hundred sixty-four thousand, nine hundred twenty-one".