34788890 has 16 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 13822800.

The previous prime is 34788889. The next prime is 34788899. The reversal of 34788890 is 9888743.

It is not an unprimeable number, because it can be changed into a prime (34788899) 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 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 13029.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^34788890 is an apocalyptic number.

34788890 is a deficient number, since it is larger than the sum of its proper divisors (28248550).

34788890 is a wasteful number, since it uses less digits than its factorization.

34788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23197.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 34788890 is about 5898.2107456414. The cubic root of 34788890 is about 326.4476330286.

The spelling of 34788890 in words is "thirty-four million, seven hundred eighty-eight thousand, eight hundred ninety".