29152890 has 48 divisors (see below), whose sum is σ = 81631368. Its totient is φ = 7175808.

The previous prime is 29152883. The next prime is 29152919. The reversal of 29152890 is 9825192.

It can be written as a sum of positive squares in 4 ways, for example, as 20875761 + 8277129 = 4569^2 + 2877^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11289 + ... + 13628.

Almost surely, 2^29152890 is an apocalyptic number.

29152890 is an abundant number, since it is smaller than the sum of its proper divisors (52478478).

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

29152890 is a wasteful number, since it uses less digits than its factorization.

29152890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943 (or 24940 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 29152890 is about 5399.3416265319. The cubic root of 29152890 is about 307.7706520535.

The spelling of 29152890 in words is "twenty-nine million, one hundred fifty-two thousand, eight hundred ninety".