34784379 has 24 divisors (see below), whose sum is σ = 57654272. Its totient is φ = 19796400.

The previous prime is 34784341. The next prime is 34784381. The reversal of 34784379 is 97348743.

It is a happy number.

It is not a de Polignac number, because 34784379 - 2¹³ = 34776187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34784339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16854 + ... + 18804.

Almost surely, 2^34784379 is an apocalyptic number.

34784379 is a deficient number, since it is larger than the sum of its proper divisors (22869893).

34784379 is a wasteful number, since it uses less digits than its factorization.

34784379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2244 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 34784379 is about 5897.8283291395. The cubic root of 34784379 is about 326.4335224995.

The spelling of 34784379 in words is "thirty-four million, seven hundred eighty-four thousand, three hundred seventy-nine".