29988452 has 12 divisors (see below), whose sum is σ = 56516796. Its totient is φ = 13840800.

The previous prime is 29988437. The next prime is 29988457. The reversal of 29988452 is 25488992.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 18113536 = 3446^2 + 4256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29988397 and 29988406.

It is not an unprimeable number, because it can be changed into a prime (29988457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288299 + ... + 288402.

It is an arithmetic number, because the mean of its divisors is an integer number (4709733).

Almost surely, 2^29988452 is an apocalyptic number.

It is an amenable number.

29988452 is a deficient number, since it is larger than the sum of its proper divisors (26528344).

29988452 is a wasteful number, since it uses less digits than its factorization.

29988452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576718 (or 576716 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 29988452 is about 5476.1712902355. The cubic root of 29988452 is about 310.6833762331.

The spelling of 29988452 in words is "twenty-nine million, nine hundred eighty-eight thousand, four hundred fifty-two".