34359981 has 8 divisors (see below), whose sum is σ = 45932640. Its totient is φ = 22846992.

The previous prime is 34359973. The next prime is 34359989. The reversal of 34359981 is 18995343.

It is an interprime number because it is at equal distance from previous prime (34359973) and next prime (34359989).

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

It is not a de Polignac number, because 34359981 - 2³ = 34359973 is a prime.

It is a super-2 number, since 2×34359981² = 2361216588640722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34359989) 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 7 ways as a sum of consecutive naturals, for example, 13555 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (5741580).

Almost surely, 2^34359981 is an apocalyptic number.

It is an amenable number.

34359981 is a deficient number, since it is larger than the sum of its proper divisors (11572659).

34359981 is a wasteful number, since it uses less digits than its factorization.

34359981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29835.

The product of its digits is 116640, while the sum is 42.

The square root of 34359981 is about 5861.7387352218. The cubic root of 34359981 is about 325.1005006741.

The spelling of 34359981 in words is "thirty-four million, three hundred fifty-nine thousand, nine hundred eighty-one".