2954821 has 8 divisors (see below), whose sum is σ = 3172824. Its totient is φ = 2741760.

The previous prime is 2954801. The next prime is 2954851. The reversal of 2954821 is 1284592.

It can be written as a sum of positive squares in 4 ways, for example, as 112225 + 2842596 = 335^2 + 1686^2 .

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

It is not a de Polignac number, because 2954821 - 2⁵ = 2954789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2954801) 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, 51 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (396603).

2^2954821 is an apocalyptic number.

It is an amenable number.

2954821 is a deficient number, since it is larger than the sum of its proper divisors (218003).

2954821 is a wasteful number, since it uses less digits than its factorization.

2954821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its digits is 5760, while the sum is 31.

The square root of 2954821 is about 1718.9592781680. The cubic root of 2954821 is about 143.4972986902.

The spelling of 2954821 in words is "two million, nine hundred fifty-four thousand, eight hundred twenty-one".