29990250 has 80 divisors (see below), whose sum is σ = 83922696. Its totient is φ = 7992000.

The previous prime is 29990243. The next prime is 29990251. The reversal of 29990250 is 5209992.

It can be written as a sum of positive squares in 4 ways, for example, as 7834401 + 22155849 = 2799^2 + 4707^2 .

It is not an unprimeable number, because it can be changed into a prime (29990251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19510 + ... + 20990.

Almost surely, 2^29990250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29990250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41961348).

29990250 is an abundant number, since it is smaller than the sum of its proper divisors (53932446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29990250 is a wasteful number, since it uses less digits than its factorization.

29990250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 29990250 is about 5476.3354535675. The cubic root of 29990250 is about 310.6895852626.

The spelling of 29990250 in words is "twenty-nine million, nine hundred ninety thousand, two hundred fifty".