34009990 has 32 divisors (see below), whose sum is σ = 71596800. Its totient is φ = 11388384.

The previous prime is 34009961. The next prime is 34009991. The reversal of 34009990 is 9990043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34009991) 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, 2640 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (2237400).

Almost surely, 2^34009990 is an apocalyptic number.

34009990 is an abundant number, since it is smaller than the sum of its proper divisors (37586810).

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

34009990 is a wasteful number, since it uses less digits than its factorization.

34009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 34009990 is about 5831.8084673624. The cubic root of 34009990 is about 323.9929061598.

The spelling of 34009990 in words is "thirty-four million, nine thousand, nine hundred ninety".