2398464 has 72 divisors (see below), whose sum is σ = 7113120. Its totient is φ = 797184.

The previous prime is 2398441. The next prime is 2398471. The reversal of 2398464 is 4648932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 2²¹ + 3⁷ + 9² + 8⁵ + 4⁶ + 6² + 4⁹ .

It is a zygodrome in base 8.

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, 6739 + ... + 7085.

2^2398464 is an apocalyptic number.

2398464 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 2398464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556560).

2398464 is an abundant number, since it is smaller than the sum of its proper divisors (4714656).

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

2398464 is an equidigital number, since it uses as much as digits as its factorization.

2398464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 352 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2398464 is about 1548.6975172706. The cubic root of 2398464 is about 133.8580214484.

The spelling of 2398464 in words is "two million, three hundred ninety-eight thousand, four hundred sixty-four".