34618981 has 4 divisors (see below), whose sum is σ = 34783264. Its totient is φ = 34454700.

The previous prime is 34618963. The next prime is 34619003. The reversal of 34618981 is 18981643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18981643 = 317 ⋅59879.

It is a cyclic number.

It is not a de Polignac number, because 34618981 - 2⁵ = 34618949 is a prime.

It is a super-2 number, since 2×34618981² = 2396947690956722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34618901) 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 3 ways as a sum of consecutive naturals, for example, 81825 + ... + 82246.

It is an arithmetic number, because the mean of its divisors is an integer number (8695816).

Almost surely, 2^34618981 is an apocalyptic number.

It is an amenable number.

34618981 is a deficient number, since it is larger than the sum of its proper divisors (164283).

34618981 is a wasteful number, since it uses less digits than its factorization.

34618981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164282.

The product of its digits is 41472, while the sum is 40.

The square root of 34618981 is about 5883.7896801296. The cubic root of 34618981 is about 325.9153085230.

The spelling of 34618981 in words is "thirty-four million, six hundred eighteen thousand, nine hundred eighty-one".