2453646 has 32 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 743904.

The previous prime is 2453629. The next prime is 2453651. The reversal of 2453646 is 6463542.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁹ + 5⁷ + 3¹² + 6⁴ + 4¹⁰ + 6⁵ .

Its product of digits (17280) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6285 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2^2453646 is an apocalyptic number.

2453646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2453646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681280).

2453646 is an abundant number, since it is smaller than the sum of its proper divisors (2908914).

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

2453646 is a wasteful number, since it uses less digits than its factorization.

2453646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its digits is 17280, while the sum is 30.

The square root of 2453646 is about 1566.4118232444. The cubic root of 2453646 is about 134.8768149277.

The spelling of 2453646 in words is "two million, four hundred fifty-three thousand, six hundred forty-six".