29231901 has 16 divisors (see below), whose sum is σ = 43902720. Its totient is φ = 19219680.

The previous prime is 29231897. The next prime is 29231903. The reversal of 29231901 is 10913292.

It is not a de Polignac number, because 29231901 - 2² = 29231897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29231903) 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, 5445 + ... + 9386.

It is an arithmetic number, because the mean of its divisors is an integer number (2743920).

Almost surely, 2^29231901 is an apocalyptic number.

It is an amenable number.

29231901 is a deficient number, since it is larger than the sum of its proper divisors (14670819).

29231901 is a wasteful number, since it uses less digits than its factorization.

29231901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14913 (or 14907 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 29231901 is about 5406.6534011346. The cubic root of 29231901 is about 308.0484441987.

The spelling of 29231901 in words is "twenty-nine million, two hundred thirty-one thousand, nine hundred one".