347152889 has 4 divisors (see below), whose sum is σ = 355226256. Its totient is φ = 339079524.

The previous prime is 347152879. The next prime is 347152909. The reversal of 347152889 is 988251743.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 347152889 - 2¹² = 347148793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347152879) 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, 4036619 + ... + 4036704.

It is an arithmetic number, because the mean of its divisors is an integer number (88806564).

Almost surely, 2^347152889 is an apocalyptic number.

It is an amenable number.

347152889 is a deficient number, since it is larger than the sum of its proper divisors (8073367).

347152889 is an equidigital number, since it uses as much as digits as its factorization.

347152889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073366.

The product of its digits is 483840, while the sum is 47.

The square root of 347152889 is about 18632.0393140418. The cubic root of 347152889 is about 702.8137689804.

The spelling of 347152889 in words is "three hundred forty-seven million, one hundred fifty-two thousand, eight hundred eighty-nine".