34978388 has 24 divisors (see below), whose sum is σ = 62707008. Its totient is φ = 17067456.

The previous prime is 34978381. The next prime is 34978397. The reversal of 34978388 is 88387943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34978381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29495 + ... + 30657.

It is an arithmetic number, because the mean of its divisors is an integer number (2612792).

Almost surely, 2^34978388 is an apocalyptic number.

It is an amenable number.

34978388 is a deficient number, since it is larger than the sum of its proper divisors (27728620).

34978388 is a wasteful number, since it uses less digits than its factorization.

34978388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 34978388 is about 5914.2529536705. The cubic root of 34978388 is about 327.0392892655.

The spelling of 34978388 in words is "thirty-four million, nine hundred seventy-eight thousand, three hundred eighty-eight".