29890399 has 8 divisors (see below), whose sum is σ = 37266048. Its totient is φ = 23291160.

The previous prime is 29890391. The next prime is 29890411. The reversal of 29890399 is 99309892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29890399 - 2³ = 29890391 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 (29890391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194017 + ... + 194170.

It is an arithmetic number, because the mean of its divisors is an integer number (4658256).

Almost surely, 2^29890399 is an apocalyptic number.

29890399 is a deficient number, since it is larger than the sum of its proper divisors (7375649).

29890399 is a wasteful number, since it uses less digits than its factorization.

29890399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388205.

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 29890399 is about 5467.2112635237. The cubic root of 29890399 is about 310.3443935301.

The spelling of 29890399 in words is "twenty-nine million, eight hundred ninety thousand, three hundred ninety-nine".