354688489 has 8 divisors (see below), whose sum is σ = 357422912. Its totient is φ = 351961200.

The previous prime is 354688487. The next prime is 354688501. The reversal of 354688489 is 984886453.

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

It is a cyclic number.

It is not a de Polignac number, because 354688489 - 2¹ = 354688487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354688487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137764 + ... + 140314.

It is an arithmetic number, because the mean of its divisors is an integer number (44677864).

Almost surely, 2^354688489 is an apocalyptic number.

It is an amenable number.

354688489 is a deficient number, since it is larger than the sum of its proper divisors (2734423).

354688489 is a wasteful number, since it uses less digits than its factorization.

354688489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its digits is 6635520, while the sum is 55.

The square root of 354688489 is about 18833.1752235251. The cubic root of 354688489 is about 707.8627050585.

The spelling of 354688489 in words is "three hundred fifty-four million, six hundred eighty-eight thousand, four hundred eighty-nine".