29909019 has 16 divisors (see below), whose sum is σ = 45658368. Its totient is φ = 17059872.

The previous prime is 29908999. The next prime is 29909051. The reversal of 29909019 is 91090992.

It is a happy number.

It is not a de Polignac number, because 29909019 - 2⁷ = 29908891 is a prime.

It is a super-2 number, since 2×29909019² = 1789098835084722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29909419) 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, 15844 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (2853648).

Almost surely, 2^29909019 is an apocalyptic number.

29909019 is a deficient number, since it is larger than the sum of its proper divisors (15749349).

29909019 is a wasteful number, since it uses less digits than its factorization.

29909019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 29909019 is about 5468.9138775446. The cubic root of 29909019 is about 310.4088223913.

The spelling of 29909019 in words is "twenty-nine million, nine hundred nine thousand, nineteen".