29013890 has 16 divisors (see below), whose sum is σ = 52288632. Its totient is φ = 11591424.

The previous prime is 29013889. The next prime is 29013953. The reversal of 29013890 is 9831092.

It can be written as a sum of positive squares in 4 ways, for example, as 28912129 + 101761 = 5377^2 + 319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11852 + ... + 14088.

Almost surely, 2^29013890 is an apocalyptic number.

29013890 is a deficient number, since it is larger than the sum of its proper divisors (23274742).

29013890 is a wasteful number, since it uses less digits than its factorization.

29013890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 29013890 is about 5386.4543068702. The cubic root of 29013890 is about 307.2807258667.

The spelling of 29013890 in words is "twenty-nine million, thirteen thousand, eight hundred ninety".