354883989 has 4 divisors (see below), whose sum is σ = 473178656. Its totient is φ = 236589324.

The previous prime is 354883973. The next prime is 354883999. The reversal of 354883989 is 989388453.

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, and also an emirpimes, since its reverse is a distinct semiprime: 989388453 = 3 ⋅329796151.

It is not a de Polignac number, because 354883989 - 2⁴ = 354883973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354883999) 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, 59147329 + ... + 59147334.

It is an arithmetic number, because the mean of its divisors is an integer number (118294664).

Almost surely, 2^354883989 is an apocalyptic number.

It is an amenable number.

354883989 is a deficient number, since it is larger than the sum of its proper divisors (118294667).

354883989 is a wasteful number, since it uses less digits than its factorization.

354883989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118294666.

The product of its digits is 7464960, while the sum is 57.

The square root of 354883989 is about 18838.3648175737. The cubic root of 354883989 is about 707.9927362880.

The spelling of 354883989 in words is "three hundred fifty-four million, eight hundred eighty-three thousand, nine hundred eighty-nine".