34878100 has 36 divisors (see below), whose sum is σ = 78133888. Its totient is φ = 13500000.

The previous prime is 34878083. The next prime is 34878113. The reversal of 34878100 is 187843.

It is a happy number.

It is a super-2 number, since 2×34878100² = 2432963719220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2526 + ... + 8725.

Almost surely, 2^34878100 is an apocalyptic number.

It is an amenable number.

34878100 is an abundant number, since it is smaller than the sum of its proper divisors (43255788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34878100 is a wasteful number, since it uses less digits than its factorization.

34878100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296 (or 11289 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 34878100 is about 5905.7683666057. The cubic root of 34878100 is about 326.7264340640.

The spelling of 34878100 in words is "thirty-four million, eight hundred seventy-eight thousand, one hundred".