113887946 has 4 divisors (see below), whose sum is σ = 170831922. Its totient is φ = 56943972.

The previous prime is 113887933. The next prime is 113887967. The reversal of 113887946 is 649788311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649788311 = 67 ⋅9698333.

It can be written as a sum of positive squares in only one way, i.e., 108388921 + 5499025 = 10411^2 + 2345^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113887946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28471985 + ... + 28471988.

Almost surely, 2^113887946 is an apocalyptic number.

113887946 is a deficient number, since it is larger than the sum of its proper divisors (56943976).

113887946 is an equidigital number, since it uses as much as digits as its factorization.

113887946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56943975.

The product of its digits is 290304, while the sum is 47.

The square root of 113887946 is about 10671.8295526119. The cubic root of 113887946 is about 484.7218385839.

The spelling of 113887946 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, nine hundred forty-six".