34978395 has 16 divisors (see below), whose sum is σ = 56339712. Its totient is φ = 18530400.

The previous prime is 34978381. The next prime is 34978397. The reversal of 34978395 is 59387943.

It is a de Polignac number, because none of the positive numbers 2^k-34978395 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34978397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5457 + ... + 9986.

It is an arithmetic number, because the mean of its divisors is an integer number (3521232).

Almost surely, 2^34978395 is an apocalyptic number.

34978395 is a deficient number, since it is larger than the sum of its proper divisors (21361317).

34978395 is a wasteful number, since it uses less digits than its factorization.

34978395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602.

The product of its digits is 816480, while the sum is 48.

The square root of 34978395 is about 5914.2535454612. The cubic root of 34978395 is about 327.0393110816.

The spelling of 34978395 in words is "thirty-four million, nine hundred seventy-eight thousand, three hundred ninety-five".