34691891 has 8 divisors (see below), whose sum is σ = 39327120. Its totient is φ = 30337632.

The previous prime is 34691837. The next prime is 34691911. The reversal of 34691891 is 19819643.

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

It is not a de Polignac number, because 34691891 - 2²² = 30497587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34691491) 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, 69980 + ... + 70473.

It is an arithmetic number, because the mean of its divisors is an integer number (4915890).

Almost surely, 2^34691891 is an apocalyptic number.

34691891 is a deficient number, since it is larger than the sum of its proper divisors (4635229).

34691891 is a wasteful number, since it uses less digits than its factorization.

34691891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140485.

The product of its digits is 46656, while the sum is 41.

The square root of 34691891 is about 5889.9822580378. The cubic root of 34691891 is about 326.1439482473.

The spelling of 34691891 in words is "thirty-four million, six hundred ninety-one thousand, eight hundred ninety-one".