34681381 has 8 divisors (see below), whose sum is σ = 39688704. Its totient is φ = 29687280.

The previous prime is 34681369. The next prime is 34681393. The reversal of 34681381 is 18318643.

It is an interprime number because it is at equal distance from previous prime (34681369) and next prime (34681393).

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

It is not a de Polignac number, because 34681381 - 2¹³ = 34673189 is a prime.

It is a super-2 number, since 2×34681381² = 2405596376134322, 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 (34681081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (4961088).

Almost surely, 2^34681381 is an apocalyptic number.

It is an amenable number.

34681381 is a deficient number, since it is larger than the sum of its proper divisors (5007323).

34681381 is an equidigital number, since it uses as much as digits as its factorization.

34681381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611.

The product of its digits is 13824, while the sum is 34.

The square root of 34681381 is about 5889.0899976142. The cubic root of 34681381 is about 326.1110095306. Note that the first 3 decimals are identical.

The spelling of 34681381 in words is "thirty-four million, six hundred eighty-one thousand, three hundred eighty-one".