354071389 has 32 divisors (see below), whose sum is σ = 429583616. Its totient is φ = 285534720.

The previous prime is 354071387. The next prime is 354071413. The reversal of 354071389 is 983170453.

It is a cyclic number.

It is not a de Polignac number, because 354071389 - 2¹ = 354071387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354071383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1153174 + ... + 1153480.

It is an arithmetic number, because the mean of its divisors is an integer number (13424488).

Almost surely, 2^354071389 is an apocalyptic number.

It is an amenable number.

354071389 is a deficient number, since it is larger than the sum of its proper divisors (75512227).

354071389 is a wasteful number, since it uses less digits than its factorization.

354071389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 354071389 is about 18816.7847678608. The cubic root of 354071389 is about 707.4519449437.

The spelling of 354071389 in words is "three hundred fifty-four million, seventy-one thousand, three hundred eighty-nine".