2461921 has 8 divisors (see below), whose sum is σ = 3069504. Its totient is φ = 1918320.

The previous prime is 2461919. The next prime is 2461951. The reversal of 2461921 is 1291642.

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 2461921 - 2¹ = 2461919 is a prime.

It is a super-2 number, since 2×2461921² = 12122110020482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2461951) 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, 15910 + ... + 16063.

It is an arithmetic number, because the mean of its divisors is an integer number (383688).

2^2461921 is an apocalyptic number.

It is an amenable number.

2461921 is a deficient number, since it is larger than the sum of its proper divisors (607583).

2461921 is a wasteful number, since it uses less digits than its factorization.

2461921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31991.

The product of its digits is 864, while the sum is 25.

The square root of 2461921 is about 1569.0509870619. The cubic root of 2461921 is about 135.0282702569.

The spelling of 2461921 in words is "two million, four hundred sixty-one thousand, nine hundred twenty-one".