1957342 has 12 divisors (see below), whose sum is σ = 3099816. Its totient is φ = 926820.

The previous prime is 1957327. The next prime is 1957357. The reversal of 1957342 is 2437591.

It is an interprime number because it is at equal distance from previous prime (1957327) and next prime (1957357).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (258318).

2^1957342 is an apocalyptic number.

1957342 is a deficient number, since it is larger than the sum of its proper divisors (1142474).

1957342 is a wasteful number, since it uses less digits than its factorization.

1957342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2732 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 1957342 is about 1399.0503922304. The cubic root of 1957342 is about 125.0898979980.

Subtracting 1957342 from its reverse (2437591), we obtain a square (480249 = 693²).

The spelling of 1957342 in words is "one million, nine hundred fifty-seven thousand, three hundred forty-two".