2621432 has 16 divisors (see below), whose sum is σ = 5362200. Its totient is φ = 1191520.

The previous prime is 2621431. The next prime is 2621447. The reversal of 2621432 is 2341262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14807 + ... + 14982.

2^2621432 is an apocalyptic number.

2621432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2621432 is an abundant number, since it is smaller than the sum of its proper divisors (2740768).

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

2621432 is a wasteful number, since it uses less digits than its factorization.

2621432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29806 (or 29802 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2621432 is about 1619.0836914749. The cubic root of 2621432 is about 137.8836798992.

Adding to 2621432 its reverse (2341262), we get a palindrome (4962694).

The spelling of 2621432 in words is "two million, six hundred twenty-one thousand, four hundred thirty-two".