1958342 has 4 divisors (see below), whose sum is σ = 2937516. Its totient is φ = 979170.

The previous prime is 1958321. The next prime is 1958351. The reversal of 1958342 is 2438591.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1958299 and 1958308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489584 + ... + 489587.

It is an arithmetic number, because the mean of its divisors is an integer number (734379).

2^1958342 is an apocalyptic number.

1958342 is a deficient number, since it is larger than the sum of its proper divisors (979174).

1958342 is an equidigital number, since it uses as much as digits as its factorization.

1958342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979173.

The product of its digits is 8640, while the sum is 32.

The square root of 1958342 is about 1399.4077318637. The cubic root of 1958342 is about 125.1111970524. Note that the first 4 decimals are identical.

Subtracting 1958342 from its reverse (2438591), we obtain a square (480249 = 693²).

The spelling of 1958342 in words is "one million, nine hundred fifty-eight thousand, three hundred forty-two".