34661391 has 8 divisors (see below), whose sum is σ = 48224640. Its totient is φ = 22102872.

The previous prime is 34661387. The next prime is 34661399. The reversal of 34661391 is 19316643.

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

It is not a de Polignac number, because 34661391 - 2² = 34661387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34661399) 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, 251101 + ... + 251238.

It is an arithmetic number, because the mean of its divisors is an integer number (6028080).

Almost surely, 2^34661391 is an apocalyptic number.

34661391 is a deficient number, since it is larger than the sum of its proper divisors (13563249).

34661391 is a wasteful number, since it uses less digits than its factorization.

34661391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502365.

The product of its digits is 11664, while the sum is 33.

The square root of 34661391 is about 5887.3925467901. The cubic root of 34661391 is about 326.0483417842.

The spelling of 34661391 in words is "thirty-four million, six hundred sixty-one thousand, three hundred ninety-one".