29023390 has 16 divisors (see below), whose sum is σ = 56991600. Its totient is φ = 10553920.

The previous prime is 29023387. The next prime is 29023391. The reversal of 29023390 is 9332092.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29023391) 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, 131815 + ... + 132034.

It is an arithmetic number, because the mean of its divisors is an integer number (3561975).

Almost surely, 2^29023390 is an apocalyptic number.

29023390 is a deficient number, since it is larger than the sum of its proper divisors (27968210).

29023390 is a wasteful number, since it uses less digits than its factorization.

29023390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263867.

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

The square root of 29023390 is about 5387.3360763925. The cubic root of 29023390 is about 307.3142597861.

The spelling of 29023390 in words is "twenty-nine million, twenty-three thousand, three hundred ninety".