2469921 has 8 divisors (see below), whose sum is σ = 3312960. Its totient is φ = 1636752.

The previous prime is 2469919. The next prime is 2469923. The reversal of 2469921 is 1299642.

It is an interprime number because it is at equal distance from previous prime (2469919) and next prime (2469923).

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

It is not a de Polignac number, because 2469921 - 2¹ = 2469919 is a prime.

It is a super-3 number, since 3×2469921³ = 45203331398835950883, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2469923) 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, 1861 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (414120).

2^2469921 is an apocalyptic number.

It is an amenable number.

2469921 is a deficient number, since it is larger than the sum of its proper divisors (843039).

2469921 is a wasteful number, since it uses less digits than its factorization.

2469921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its digits is 7776, while the sum is 33.

The square root of 2469921 is about 1571.5982311011. The cubic root of 2469921 is about 135.1743700176.

The spelling of 2469921 in words is "two million, four hundred sixty-nine thousand, nine hundred twenty-one".