29276989 has 8 divisors (see below), whose sum is σ = 34539008. Its totient is φ = 24284880.

The previous prime is 29276987. The next prime is 29277007. The reversal of 29276989 is 98967292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29276989 - 2¹ = 29276987 is a prime.

It is a super-2 number, since 2×29276989² = 1714284169812242, which contains 22 as substring.

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 (29276983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67242 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (4317376).

Almost surely, 2^29276989 is an apocalyptic number.

It is an amenable number.

29276989 is a deficient number, since it is larger than the sum of its proper divisors (5262019).

29276989 is a wasteful number, since it uses less digits than its factorization.

29276989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134955.

The product of its digits is 979776, while the sum is 52.

The square root of 29276989 is about 5410.8214718285. The cubic root of 29276989 is about 308.2067433266.

The spelling of 29276989 in words is "twenty-nine million, two hundred seventy-six thousand, nine hundred eighty-nine".