2420736 has 52 divisors (see below), whose sum is σ = 6487272. Its totient is φ = 802816.

The previous prime is 2420723. The next prime is 2420767. The reversal of 2420736 is 6370242.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12190 + ... + 12386.

2^2420736 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 2420736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243636).

2420736 is an abundant number, since it is smaller than the sum of its proper divisors (4066536).

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

2420736 is an equidigital number, since it uses as much as digits as its factorization.

2420736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2420736 is about 1555.8714599863. The cubic root of 2420736 is about 134.2710781867.

Adding to 2420736 its reverse (6370242), we get a palindrome (8790978).

The spelling of 2420736 in words is "two million, four hundred twenty thousand, seven hundred thirty-six".