29042397 has 6 divisors (see below), whose sum is σ = 41950142. Its totient is φ = 19361592.

The previous prime is 29042389. The next prime is 29042413. The reversal of 29042397 is 79324092.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 1887876 = 5211^2 + 1374^2 .

It is not a de Polignac number, because 29042397 - 2³ = 29042389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29042327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1613458 + ... + 1613475.

Almost surely, 2^29042397 is an apocalyptic number.

It is an amenable number.

29042397 is a deficient number, since it is larger than the sum of its proper divisors (12907745).

29042397 is a wasteful number, since it uses less digits than its factorization.

29042397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226939 (or 3226936 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 29042397 is about 5389.0998320684. The cubic root of 29042397 is about 307.3813303742.

The spelling of 29042397 in words is "twenty-nine million, forty-two thousand, three hundred ninety-seven".