2457432 has 64 divisors (see below), whose sum is σ = 7065600. Its totient is φ = 790560.

The previous prime is 2457421. The next prime is 2457439. The reversal of 2457432 is 2347542.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2457396 and 2457405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6513 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (110400).

2^2457432 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 2457432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3532800).

2457432 is an abundant number, since it is smaller than the sum of its proper divisors (4608168).

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

2457432 is a wasteful number, since it uses less digits than its factorization.

2457432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 403 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2457432 is about 1567.6198518774. The cubic root of 2457432 is about 134.9461513633.

The spelling of 2457432 in words is "two million, four hundred fifty-seven thousand, four hundred thirty-two".