34385491 has 4 divisors (see below), whose sum is σ = 39297712. Its totient is φ = 29473272.

The previous prime is 34385473. The next prime is 34385521. The reversal of 34385491 is 19458343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34385491 - 2¹⁷ = 34254419 is a prime.

It is a super-2 number, since 2×34385491² = 2364723982622162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34385491.

It is not an unprimeable number, because it can be changed into a prime (34385401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456100 + ... + 2456113.

It is an arithmetic number, because the mean of its divisors is an integer number (9824428).

Almost surely, 2^34385491 is an apocalyptic number.

34385491 is a deficient number, since it is larger than the sum of its proper divisors (4912221).

34385491 is an equidigital number, since it uses as much as digits as its factorization.

34385491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912220.

The product of its digits is 51840, while the sum is 37.

The square root of 34385491 is about 5863.9143070137. The cubic root of 34385491 is about 325.1809359360.

The spelling of 34385491 in words is "thirty-four million, three hundred eighty-five thousand, four hundred ninety-one".