1958542 has 8 divisors (see below), whose sum is σ = 3065616. Its totient is φ = 936672.

The previous prime is 1958531. The next prime is 1958557. The reversal of 1958542 is 2458591.

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

It is a junction number, because it is equal to n+sod(n) for n = 1958498 and 1958507.

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, 21243 + ... + 21334.

It is an arithmetic number, because the mean of its divisors is an integer number (383202).

2^1958542 is an apocalyptic number.

1958542 is a deficient number, since it is larger than the sum of its proper divisors (1107074).

1958542 is a wasteful number, since it uses less digits than its factorization.

1958542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42602.

The product of its digits is 14400, while the sum is 34.

The square root of 1958542 is about 1399.4791888413. The cubic root of 1958542 is about 125.1154559931.

It can be divided in two parts, 1958 and 542, that added together give a square (2500 = 50²).

The spelling of 1958542 in words is "one million, nine hundred fifty-eight thousand, five hundred forty-two".