29897019 has 14 divisors (see below), whose sum is σ = 44826116. Its totient is φ = 19930860.

The previous prime is 29897017. The next prime is 29897047. The reversal of 29897019 is 91079892.

It is not a de Polignac number, because 29897019 - 2¹ = 29897017 is a prime.

It is a super-2 number, since 2×29897019² = 1787663490172722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29897017) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 19777 + ... + 21234.

Almost surely, 2^29897019 is an apocalyptic number.

29897019 is a deficient number, since it is larger than the sum of its proper divisors (14929097).

29897019 is an frugal number, since it uses more digits than its factorization.

29897019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41029 (or 41014 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 29897019 is about 5467.8166574968. The cubic root of 29897019 is about 310.3673030964.

The spelling of 29897019 in words is "twenty-nine million, eight hundred ninety-seven thousand, nineteen".