29039490 has 48 divisors (see below), whose sum is σ = 75886200. Its totient is φ = 7704576.

The previous prime is 29039471. The next prime is 29039509. The reversal of 29039490 is 9493092.

It is an interprime number because it is at equal distance from previous prime (29039471) and next prime (29039509).

It can be written as a sum of positive squares in 4 ways, for example, as 21372129 + 7667361 = 4623^2 + 2769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19906 + ... + 21314.

Almost surely, 2^29039490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29039490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37943100).

29039490 is an abundant number, since it is smaller than the sum of its proper divisors (46846710).

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

29039490 is a wasteful number, since it uses less digits than its factorization.

29039490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 29039490 is about 5388.8301142270. The cubic root of 29039490 is about 307.3710742494.

The spelling of 29039490 in words is "twenty-nine million, thirty-nine thousand, four hundred ninety".