29390399 has 16 divisors (see below), whose sum is σ = 32205600. Its totient is φ = 26711040.

The previous prime is 29390393. The next prime is 29390407. The reversal of 29390399 is 99309392.

It is a cyclic number.

It is not a de Polignac number, because 29390399 - 2¹² = 29386303 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 (29390393) 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, 103712 + ... + 103994.

It is an arithmetic number, because the mean of its divisors is an integer number (2012850).

Almost surely, 2^29390399 is an apocalyptic number.

29390399 is a deficient number, since it is larger than the sum of its proper divisors (2815201).

29390399 is a wasteful number, since it uses less digits than its factorization.

29390399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 29390399 is about 5421.2912668478. The cubic root of 29390399 is about 308.6041964291.

The spelling of 29390399 in words is "twenty-nine million, three hundred ninety thousand, three hundred ninety-nine".