29878488 has 48 divisors (see below), whose sum is σ = 85183800. Its totient is φ = 9434880.

The previous prime is 29878487. The next prime is 29878489. The reversal of 29878488 is 88487892.

29878488 is a `hidden beast` number, since 2 + 98 + 78 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (29878487) and next prime (29878489).

It is a super-2 number, since 2×29878488² = 1785448090332288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29878483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9553 + ... + 12288.

Almost surely, 2^29878488 is an apocalyptic number.

It is an amenable number.

29878488 is an abundant number, since it is smaller than the sum of its proper divisors (55305312).

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

29878488 is a wasteful number, since it uses less digits than its factorization.

29878488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21872 (or 21865 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 29878488 is about 5466.1218427693. The cubic root of 29878488 is about 310.3031650943.

The spelling of 29878488 in words is "twenty-nine million, eight hundred seventy-eight thousand, four hundred eighty-eight".