29097945 has 24 divisors (see below), whose sum is σ = 50758656. Its totient is φ = 15419808.

The previous prime is 29097941. The next prime is 29097961. The reversal of 29097945 is 54979092.

It is not a de Polignac number, because 29097945 - 2² = 29097941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 29097945.

It is not an unprimeable number, because it can be changed into a prime (29097941) 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, 5352 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (2114944).

Almost surely, 2^29097945 is an apocalyptic number.

It is an amenable number.

29097945 is a deficient number, since it is larger than the sum of its proper divisors (21660711).

29097945 is a wasteful number, since it uses less digits than its factorization.

29097945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 29097945 is about 5394.2511065022. The cubic root of 29097945 is about 307.5771767419.

The spelling of 29097945 in words is "twenty-nine million, ninety-seven thousand, nine hundred forty-five".