29161984 has 20 divisors (see below), whose sum is σ = 58268034. Its totient is φ = 14580736.

The previous prime is 29161973. The next prime is 29161991. The reversal of 29161984 is 48916192.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 774400 = 5328^2 + 880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27967 + ... + 28990.

Almost surely, 2^29161984 is an apocalyptic number.

It is an amenable number.

29161984 is a deficient number, since it is larger than the sum of its proper divisors (29106050).

29161984 is an frugal number, since it uses more digits than its factorization.

29161984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56975 (or 56959 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 29161984 is about 5400.1837005791. The cubic root of 29161984 is about 307.8026508860.

It can be divided in two parts, 2916 and 1984, that added together give a square (4900 = 70²).

The spelling of 29161984 in words is "twenty-nine million, one hundred sixty-one thousand, nine hundred eighty-four".