34987881 has 8 divisors (see below), whose sum is σ = 47643264. Its totient is φ = 22828880.

The previous prime is 34987859. The next prime is 34987907. The reversal of 34987881 is 18878943.

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

It is a cyclic number.

It is not a de Polignac number, because 34987881 - 2⁶ = 34987817 is a prime.

It is a super-2 number, since 2×34987881² = 2448303633740322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34987881.

It is not an unprimeable number, because it can be changed into a prime (34986881) 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, 123930 + ... + 124211.

It is an arithmetic number, because the mean of its divisors is an integer number (5955408).

Almost surely, 2^34987881 is an apocalyptic number.

It is an amenable number.

34987881 is a deficient number, since it is larger than the sum of its proper divisors (12655383).

34987881 is a wasteful number, since it uses less digits than its factorization.

34987881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248191.

The product of its digits is 387072, while the sum is 48.

The square root of 34987881 is about 5915.0554519801. The cubic root of 34987881 is about 327.0688723246.

The spelling of 34987881 in words is "thirty-four million, nine hundred eighty-seven thousand, eight hundred eighty-one".