29290989 has 32 divisors (see below), whose sum is σ = 50606080. Its totient is φ = 14634432.

The previous prime is 29290981. The next prime is 29290991. The reversal of 29290989 is 98909292.

It is not a de Polignac number, because 29290989 - 2³ = 29290981 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29290981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2364 + ... + 8010.

It is an arithmetic number, because the mean of its divisors is an integer number (1581440).

Almost surely, 2^29290989 is an apocalyptic number.

It is an amenable number.

29290989 is a deficient number, since it is larger than the sum of its proper divisors (21315091).

29290989 is a wasteful number, since it uses less digits than its factorization.

29290989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 29290989 is about 5412.1150209507. The cubic root of 29290989 is about 308.2558627540.

The spelling of 29290989 in words is "twenty-nine million, two hundred ninety thousand, nine hundred eighty-nine".