1958994 has 24 divisors (see below), whose sum is σ = 4344912. Its totient is φ = 637560.

The previous prime is 1958993. The next prime is 1959011. The reversal of 1958994 is 4998591.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1958993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (181038).

2^1958994 is an apocalyptic number.

1958994 is an abundant number, since it is smaller than the sum of its proper divisors (2385918).

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

1958994 is a wasteful number, since it uses less digits than its factorization.

1958994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2579 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1958994 is about 1399.6406681717. The cubic root of 1958994 is about 125.1250801313.

It can be divided in two parts, 19589 and 94, that added together give a 9-th power (19683 = 3⁹).

The spelling of 1958994 in words is "one million, nine hundred fifty-eight thousand, nine hundred ninety-four".