34349990 has 16 divisors (see below), whose sum is σ = 62614080. Its totient is φ = 13565760.

The previous prime is 34349983. The next prime is 34349993. The reversal of 34349990 is 9994343.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34349993) 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, 20951 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (3913380).

Almost surely, 2^34349990 is an apocalyptic number.

34349990 is a deficient number, since it is larger than the sum of its proper divisors (28264090).

34349990 is a wasteful number, since it uses less digits than its factorization.

34349990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43567.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 34349990 is about 5860.8864517238. The cubic root of 34349990 is about 325.0689873275.

The spelling of 34349990 in words is "thirty-four million, three hundred forty-nine thousand, nine hundred ninety".