29702989 has 8 divisors (see below), whose sum is σ = 31034520. Its totient is φ = 28392000.

The previous prime is 29702977. The next prime is 29703017. The reversal of 29702989 is 98920792.

It can be written as a sum of positive squares in 4 ways, for example, as 7452900 + 22250089 = 2730^2 + 4717^2 .

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 29702989 - 2¹¹ = 29700941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29702089) 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, 2142 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (3879315).

Almost surely, 2^29702989 is an apocalyptic number.

29702989 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

29702989 is a deficient number, since it is larger than the sum of its proper divisors (1331531).

29702989 is a wasteful number, since it uses less digits than its factorization.

29702989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 29702989 is about 5450.0448622007. The cubic root of 29702989 is about 309.6944231277.

The spelling of 29702989 in words is "twenty-nine million, seven hundred two thousand, nine hundred eighty-nine".