34491387 has 8 divisors (see below), whose sum is σ = 52558336. Its totient is φ = 19709352.

The previous prime is 34491377. The next prime is 34491407. The reversal of 34491387 is 78319443.

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

It is not a de Polignac number, because 34491387 - 2⁶ = 34491323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34491307) 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, 821203 + ... + 821244.

It is an arithmetic number, because the mean of its divisors is an integer number (6569792).

Almost surely, 2^34491387 is an apocalyptic number.

34491387 is a deficient number, since it is larger than the sum of its proper divisors (18066949).

34491387 is a wasteful number, since it uses less digits than its factorization.

34491387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642457.

The product of its digits is 72576, while the sum is 39.

The square root of 34491387 is about 5872.9368292193. The cubic root of 34491387 is about 325.5144106069.

The spelling of 34491387 in words is "thirty-four million, four hundred ninety-one thousand, three hundred eighty-seven".