348894389 has 16 divisors (see below), whose sum is σ = 376358400. Its totient is φ = 322760256.

The previous prime is 348894361. The next prime is 348894419. The reversal of 348894389 is 983498843.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-348894389 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 (348894089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63452 + ... + 68730.

It is an arithmetic number, because the mean of its divisors is an integer number (23522400).

Almost surely, 2^348894389 is an apocalyptic number.

It is an amenable number.

348894389 is a deficient number, since it is larger than the sum of its proper divisors (27464011).

348894389 is a wasteful number, since it uses less digits than its factorization.

348894389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404.

The product of its digits is 5971968, while the sum is 56.

The square root of 348894389 is about 18678.7148647866. The cubic root of 348894389 is about 703.9870360959.

The spelling of 348894389 in words is "three hundred forty-eight million, eight hundred ninety-four thousand, three hundred eighty-nine".