2400354 has 48 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 725760.

The previous prime is 2400353. The next prime is 2400367. The reversal of 2400354 is 4530042.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2400353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5122 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^2400354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2400354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948400).

2400354 is an abundant number, since it is smaller than the sum of its proper divisors (3496446).

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

2400354 is a wasteful number, since it uses less digits than its factorization.

2400354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2400354 is about 1549.3075872789. The cubic root of 2400354 is about 133.8931724502.

Adding to 2400354 its reverse (4530042), we get a palindrome (6930396).

The spelling of 2400354 in words is "two million, four hundred thousand, three hundred fifty-four".