2451204 has 72 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 685440.

The previous prime is 2451203. The next prime is 2451221. The reversal of 2451204 is 4021542.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2451203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17824 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (100464).

2^2451204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616704).

2451204 is an abundant number, since it is smaller than the sum of its proper divisors (4782204).

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

2451204 is a wasteful number, since it uses less digits than its factorization.

2451204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2451204 is about 1565.6321407023. The cubic root of 2451204 is about 134.8320545302.

Adding to 2451204 its reverse (4021542), we get a palindrome (6472746).

The spelling of 2451204 in words is "two million, four hundred fifty-one thousand, two hundred four".