356488989 has 4 divisors (see below), whose sum is σ = 475318656. Its totient is φ = 237659324.

The previous prime is 356488981. The next prime is 356488999. The reversal of 356488989 is 989884653.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 356488989 - 2³ = 356488981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356488981) 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, 59414829 + ... + 59414834.

It is an arithmetic number, because the mean of its divisors is an integer number (118829664).

Almost surely, 2^356488989 is an apocalyptic number.

It is an amenable number.

356488989 is a deficient number, since it is larger than the sum of its proper divisors (118829667).

356488989 is a wasteful number, since it uses less digits than its factorization.

356488989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118829666.

The product of its digits is 14929920, while the sum is 60.

The square root of 356488989 is about 18880.9160000250. The cubic root of 356488989 is about 709.0584550519.

The spelling of 356488989 in words is "three hundred fifty-six million, four hundred eighty-eight thousand, nine hundred eighty-nine".