1958141 has 4 divisors (see below), whose sum is σ = 1972572. Its totient is φ = 1943712.

The previous prime is 1958137. The next prime is 1958183. The reversal of 1958141 is 1418591.

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

It can be written as a sum of positive squares in 2 ways, for example, as 395641 + 1562500 = 629^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1958141 - 2² = 1958137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7010 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (493143).

2^1958141 is an apocalyptic number.

It is an amenable number.

1958141 is a deficient number, since it is larger than the sum of its proper divisors (14431).

1958141 is a wasteful number, since it uses less digits than its factorization.

1958141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430.

The product of its digits is 1440, while the sum is 29.

The square root of 1958141 is about 1399.3359139249. The cubic root of 1958141 is about 125.1069165248.

The spelling of 1958141 in words is "one million, nine hundred fifty-eight thousand, one hundred forty-one".