34872981 has 40 divisors (see below), whose sum is σ = 56436384. Its totient is φ = 18982080.

The previous prime is 34872973. The next prime is 34872983. The reversal of 34872981 is 18927843.

It is not a de Polignac number, because 34872981 - 2³ = 34872973 is a prime.

It is a super-2 number, since 2×34872981² = 2432249607652722, which contains 22 as substring.

Its product of digits (96768) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34872983) 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 39 ways as a sum of consecutive naturals, for example, 942495 + ... + 942531.

Almost surely, 2^34872981 is an apocalyptic number.

It is an amenable number.

34872981 is a deficient number, since it is larger than the sum of its proper divisors (21563403).

34872981 is an equidigital number, since it uses as much as digits as its factorization.

34872981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 64 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 34872981 is about 5905.3349608638. The cubic root of 34872981 is about 326.7104489191.

It can be divided in two parts, 34872 and 981, that added together give a palindrome (35853).

The spelling of 34872981 in words is "thirty-four million, eight hundred seventy-two thousand, nine hundred eighty-one".