29320390 has 16 divisors (see below), whose sum is σ = 57574800. Its totient is φ = 10661920.

The previous prime is 29320387. The next prime is 29320397. The reversal of 29320390 is 9302392.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29320397) 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, 133165 + ... + 133384.

It is an arithmetic number, because the mean of its divisors is an integer number (3598425).

Almost surely, 2^29320390 is an apocalyptic number.

29320390 is a deficient number, since it is larger than the sum of its proper divisors (28254410).

29320390 is a wasteful number, since it uses less digits than its factorization.

29320390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266567.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 29320390 is about 5414.8305605993. The cubic root of 29320390 is about 308.3589661346.

The spelling of 29320390 in words is "twenty-nine million, three hundred twenty thousand, three hundred ninety".