34391893 has 4 divisors (see below), whose sum is σ = 34496128. Its totient is φ = 34287660.

The previous prime is 34391887. The next prime is 34391897. The reversal of 34391893 is 39819343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39819343 = 1367 ⋅29129.

It is a cyclic number.

It is not a de Polignac number, because 34391893 - 2²¹ = 32294741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34391897) 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, 51621 + ... + 52282.

It is an arithmetic number, because the mean of its divisors is an integer number (8624032).

Almost surely, 2^34391893 is an apocalyptic number.

It is an amenable number.

34391893 is a deficient number, since it is larger than the sum of its proper divisors (104235).

34391893 is a wasteful number, since it uses less digits than its factorization.

34391893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104234.

The product of its digits is 69984, while the sum is 40.

The square root of 34391893 is about 5864.4601627089. The cubic root of 34391893 is about 325.2011157570.

The spelling of 34391893 in words is "thirty-four million, three hundred ninety-one thousand, eight hundred ninety-three".