39802989 has 8 divisors (see below), whose sum is σ = 53596512. Its totient is φ = 26272400.

The previous prime is 39802981. The next prime is 39803003. The reversal of 39802989 is 98920893.

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 39802989 - 2³ = 39802981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39802981) 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, 65379 + ... + 65984.

It is an arithmetic number, because the mean of its divisors is an integer number (6699564).

Almost surely, 2^39802989 is an apocalyptic number.

It is an amenable number.

39802989 is a deficient number, since it is larger than the sum of its proper divisors (13793523).

39802989 is a wasteful number, since it uses less digits than its factorization.

39802989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131467.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 39802989 is about 6308.9610079632. The cubic root of 39802989 is about 341.4327915490.

The spelling of 39802989 in words is "thirty-nine million, eight hundred two thousand, nine hundred eighty-nine".