34149390 has 32 divisors (see below), whose sum is σ = 89410176. Its totient is φ = 8278560.

The previous prime is 34149361. The next prime is 34149397. The reversal of 34149390 is 9394143.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34149397) 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, 51412 + ... + 52071.

It is an arithmetic number, because the mean of its divisors is an integer number (2794068).

Almost surely, 2^34149390 is an apocalyptic number.

34149390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34149390 is an abundant number, since it is smaller than the sum of its proper divisors (55260786).

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

34149390 is a wasteful number, since it uses less digits than its factorization.

34149390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103504.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 34149390 is about 5843.7479411761. The cubic root of 34149390 is about 324.4349629830.

The spelling of 34149390 in words is "thirty-four million, one hundred forty-nine thousand, three hundred ninety".