2451984 has 40 divisors (see below), whose sum is σ = 6612672. Its totient is φ = 781440.

The previous prime is 2451973. The next prime is 2451991. The reversal of 2451984 is 4891542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7 + ... + 2214.

2^2451984 is an apocalyptic number.

2451984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306336).

2451984 is an abundant number, since it is smaller than the sum of its proper divisors (4160688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2451984 is a wasteful number, since it uses less digits than its factorization.

2451984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2249 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 2451984 is about 1565.8812215491. The cubic root of 2451984 is about 134.8463546930.

The spelling of 2451984 in words is "two million, four hundred fifty-one thousand, nine hundred eighty-four".