2057342 has 8 divisors (see below), whose sum is σ = 3526896. Its totient is φ = 881712.

The previous prime is 2057333. The next prime is 2057353. The reversal of 2057342 is 2437502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2057342² = 8465312209928, which contains 22 as substring.

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, 73463 + ... + 73490.

It is an arithmetic number, because the mean of its divisors is an integer number (440862).

2^2057342 is an apocalyptic number.

2057342 is a deficient number, since it is larger than the sum of its proper divisors (1469554).

2057342 is a wasteful number, since it uses less digits than its factorization.

2057342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146962.

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

The square root of 2057342 is about 1434.3437523829. The cubic root of 2057342 is about 127.1848837567.

The spelling of 2057342 in words is "two million, fifty-seven thousand, three hundred forty-two".