34491786 has 24 divisors (see below), whose sum is σ = 80246880. Its totient is φ = 9854712.

The previous prime is 34491767. The next prime is 34491799. The reversal of 34491786 is 68719443.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 58366 + ... + 58953.

It is an arithmetic number, because the mean of its divisors is an integer number (3343620).

Almost surely, 2^34491786 is an apocalyptic number.

34491786 is an abundant number, since it is smaller than the sum of its proper divisors (45755094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34491786 is a wasteful number, since it uses less digits than its factorization.

34491786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117338 (or 117331 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 34491786 is about 5872.9707984971. The cubic root of 34491786 is about 325.5156657971.

The spelling of 34491786 in words is "thirty-four million, four hundred ninety-one thousand, seven hundred eighty-six".