34881986 has 12 divisors (see below), whose sum is σ = 55222902. Its totient is φ = 16522704.

The previous prime is 34881971. The next prime is 34881989. The reversal of 34881986 is 68918843.

It can be written as a sum of positive squares in only one way, i.e., 32273761 + 2608225 = 5681^2 + 1615^2 .

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 34881986.

It is not an unprimeable number, because it can be changed into a prime (34881989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23435 + ... + 24878.

Almost surely, 2^34881986 is an apocalyptic number.

34881986 is a deficient number, since it is larger than the sum of its proper divisors (20340916).

34881986 is a wasteful number, since it uses less digits than its factorization.

34881986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48353 (or 48334 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 34881986 is about 5906.0973578159. The cubic root of 34881986 is about 326.7385678650.

The spelling of 34881986 in words is "thirty-four million, eight hundred eighty-one thousand, nine hundred eighty-six".