2057432 has 32 divisors (see below), whose sum is σ = 4226880. Its totient is φ = 933120.

The previous prime is 2057431. The next prime is 2057441. The reversal of 2057432 is 2347502.

It is a junction number, because it is equal to n+sod(n) for n = 2057398 and 2057407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (132090).

2^2057432 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 2057432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113440).

2057432 is an abundant number, since it is smaller than the sum of its proper divisors (2169448).

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

2057432 is a wasteful number, since it uses less digits than its factorization.

2057432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2057432 is about 1434.3751252723. The cubic root of 2057432 is about 127.1867383297.

The spelling of 2057432 in words is "two million, fifty-seven thousand, four hundred thirty-two".