29117898 has 12 divisors (see below), whose sum is σ = 63088818. Its totient is φ = 9705960.

The previous prime is 29117887. The next prime is 29117903. The reversal of 29117898 is 89871192.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 12981609 = 4017^2 + 3603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 808813 + ... + 808848.

Almost surely, 2^29117898 is an apocalyptic number.

29117898 is an abundant number, since it is smaller than the sum of its proper divisors (33970920).

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

29117898 is a wasteful number, since it uses less digits than its factorization.

29117898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617669 (or 1617666 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 29117898 is about 5396.1002585200. The cubic root of 29117898 is about 307.6474644680.

The spelling of 29117898 in words is "twenty-nine million, one hundred seventeen thousand, eight hundred ninety-eight".