34149819 has 16 divisors (see below), whose sum is σ = 49870080. Its totient is φ = 20614560.

The previous prime is 34149763. The next prime is 34149839. The reversal of 34149819 is 91894143.

It is not a de Polignac number, because 34149819 - 2¹² = 34145723 is a prime.

It is a super-2 number, since 2×34149819² = 2332420275465522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34149839) 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, 6954 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (3116880).

Almost surely, 2^34149819 is an apocalyptic number.

34149819 is a deficient number, since it is larger than the sum of its proper divisors (15720261).

34149819 is a wasteful number, since it uses less digits than its factorization.

34149819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130.

The product of its digits is 31104, while the sum is 39.

The square root of 34149819 is about 5843.7846469561. The cubic root of 34149819 is about 324.4363215433.

The spelling of 34149819 in words is "thirty-four million, one hundred forty-nine thousand, eight hundred nineteen".