2450921 has 8 divisors (see below), whose sum is σ = 2690688. Its totient is φ = 2214000.

The previous prime is 2450911. The next prime is 2450923. The reversal of 2450921 is 1290542.

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 2450921 - 2¹⁰ = 2449897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2450923) 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, 1376 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

2^2450921 is an apocalyptic number.

It is an amenable number.

2450921 is a deficient number, since it is larger than the sum of its proper divisors (239767).

2450921 is a wasteful number, since it uses less digits than its factorization.

2450921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2450921 is about 1565.5417592642. The cubic root of 2450921 is about 134.8268653877.

The spelling of 2450921 in words is "two million, four hundred fifty thousand, nine hundred twenty-one".