355460989 has 4 divisors (see below), whose sum is σ = 382804156. Its totient is φ = 328117824.

The previous prime is 355460971. The next prime is 355461019. The reversal of 355460989 is 989064553.

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 160858489 + 194602500 = 12683^2 + 13950^2 .

It is a cyclic number.

It is not a de Polignac number, because 355460989 - 2²¹ = 353363837 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 (355460789) 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, 13671564 + ... + 13671589.

It is an arithmetic number, because the mean of its divisors is an integer number (95701039).

Almost surely, 2^355460989 is an apocalyptic number.

It is an amenable number.

355460989 is a deficient number, since it is larger than the sum of its proper divisors (27343167).

355460989 is a wasteful number, since it uses less digits than its factorization.

355460989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27343166.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 355460989 is about 18853.6730904087. The cubic root of 355460989 is about 708.3762330773.

The spelling of 355460989 in words is "three hundred fifty-five million, four hundred sixty thousand, nine hundred eighty-nine".