115390947 has 8 divisors (see below), whose sum is σ = 175833856. Its totient is φ = 65937672.

The previous prime is 115390943. The next prime is 115390981. The reversal of 115390947 is 749093511.

It is a happy number.

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

It is not a de Polignac number, because 115390947 - 2² = 115390943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115390943) 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, 2747383 + ... + 2747424.

It is an arithmetic number, because the mean of its divisors is an integer number (21979232).

Almost surely, 2^115390947 is an apocalyptic number.

115390947 is a deficient number, since it is larger than the sum of its proper divisors (60442909).

115390947 is an equidigital number, since it uses as much as digits as its factorization.

115390947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494817.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 115390947 is about 10742.0178272055. The cubic root of 115390947 is about 486.8448487994.

The spelling of 115390947 in words is "one hundred fifteen million, three hundred ninety thousand, nine hundred forty-seven".