34383987 has 16 divisors (see below), whose sum is σ = 55570560. Its totient is φ = 20838600.

The previous prime is 34383983. The next prime is 34383997. The reversal of 34383987 is 78938343.

It is a happy number.

It is not a de Polignac number, because 34383987 - 2² = 34383983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34383983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57589 + ... + 58182.

It is an arithmetic number, because the mean of its divisors is an integer number (3473160).

Almost surely, 2^34383987 is an apocalyptic number.

34383987 is a deficient number, since it is larger than the sum of its proper divisors (21186573).

34383987 is a wasteful number, since it uses less digits than its factorization.

34383987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115791 (or 115785 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 34383987 is about 5863.7860636282. The cubic root of 34383987 is about 325.1761947962.

The spelling of 34383987 in words is "thirty-four million, three hundred eighty-three thousand, nine hundred eighty-seven".