29989901 has 16 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 28129920.

The previous prime is 29989889. The next prime is 29989913. The reversal of 29989901 is 10998992.

It is an interprime number because it is at equal distance from previous prime (29989889) and next prime (29989913).

It is a cyclic number.

It is not a de Polignac number, because 29989901 - 2⁶ = 29989837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29989951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152135 + ... + 152331.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^29989901 is an apocalyptic number.

It is an amenable number.

29989901 is a deficient number, since it is larger than the sum of its proper divisors (1943539).

29989901 is a wasteful number, since it uses less digits than its factorization.

29989901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 29989901 is about 5476.3035891010. The cubic root of 29989901 is about 310.6883800810.

The spelling of 29989901 in words is "twenty-nine million, nine hundred eighty-nine thousand, nine hundred one".