29987001 has 24 divisors (see below), whose sum is σ = 47736000. Its totient is φ = 17988000.

The previous prime is 29986993. The next prime is 29987011. The reversal of 29987001 is 10078992.

It is a happy number.

It is not a de Polignac number, because 29987001 - 2³ = 29986993 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29987011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8500 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (1989000).

Almost surely, 2^29987001 is an apocalyptic number.

It is an amenable number.

29987001 is a deficient number, since it is larger than the sum of its proper divisors (17748999).

29987001 is a wasteful number, since it uses less digits than its factorization.

29987001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 29987001 is about 5476.0388055601. The cubic root of 29987001 is about 310.6783653170.

It can be divided in two parts, 2998 and 7001, that added together give a palindrome (9999).

The spelling of 29987001 in words is "twenty-nine million, nine hundred eighty-seven thousand, one".