34390870 has 16 divisors (see below), whose sum is σ = 62484048. Its totient is φ = 13627360.

The previous prime is 34390859. The next prime is 34390879. The reversal of 34390870 is 7809343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34390879) 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, 15001 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (3905253).

Almost surely, 2^34390870 is an apocalyptic number.

34390870 is a deficient number, since it is larger than the sum of its proper divisors (28093178).

34390870 is a wasteful number, since it uses less digits than its factorization.

34390870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32255.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 34390870 is about 5864.3729417560. The cubic root of 34390870 is about 325.1978913146.

The spelling of 34390870 in words is "thirty-four million, three hundred ninety thousand, eight hundred seventy".