34402379 has 4 divisors (see below), whose sum is σ = 37529880. Its totient is φ = 31274880.

The previous prime is 34402351. The next prime is 34402393. The reversal of 34402379 is 97320443.

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 34402379 - 2¹² = 34398283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34402349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1563734 + ... + 1563755.

It is an arithmetic number, because the mean of its divisors is an integer number (9382470).

Almost surely, 2^34402379 is an apocalyptic number.

34402379 is a deficient number, since it is larger than the sum of its proper divisors (3127501).

34402379 is a wasteful number, since it uses less digits than its factorization.

34402379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127500.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 34402379 is about 5865.3541240065. The cubic root of 34402379 is about 325.2341633940.

The spelling of 34402379 in words is "thirty-four million, four hundred two thousand, three hundred seventy-nine".