10501989 has 8 divisors (see below), whose sum is σ = 14017632. Its totient is φ = 6993840.

The previous prime is 10501987. The next prime is 10501991. The reversal of 10501989 is 98910501.

10501989 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10501987) and next prime (10501991).

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

It is not a de Polignac number, because 10501989 - 2¹ = 10501987 is a prime.

It is a super-2 number, since 2×10501989² = 220583545912242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501987) 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, 4467 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (1752204).

Almost surely, 2^10501989 is an apocalyptic number.

It is an amenable number.

10501989 is a deficient number, since it is larger than the sum of its proper divisors (3515643).

10501989 is a wasteful number, since it uses less digits than its factorization.

10501989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 10501989 is about 3240.6772440340. The cubic root of 10501989 is about 218.9897828890.

The spelling of 10501989 in words is "ten million, five hundred one thousand, nine hundred eighty-nine".