34149981 has 8 divisors (see below), whose sum is σ = 45565504. Its totient is φ = 22750560.

The previous prime is 34149979. The next prime is 34149989. The reversal of 34149981 is 18994143.

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

It is not a de Polignac number, because 34149981 - 2¹ = 34149979 is a prime.

It is a super-2 number, since 2×34149981² = 2332442404600722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34149989) 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, 2385 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (5695688).

Almost surely, 2^34149981 is an apocalyptic number.

It is an amenable number.

34149981 is a deficient number, since it is larger than the sum of its proper divisors (11415523).

34149981 is a wasteful number, since it uses less digits than its factorization.

34149981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051.

The product of its digits is 31104, while the sum is 39.

The square root of 34149981 is about 5843.7985078201. The cubic root of 34149981 is about 324.4368345631.

The spelling of 34149981 in words is "thirty-four million, one hundred forty-nine thousand, nine hundred eighty-one".