9869860724 has 24 divisors (see below), whose sum is σ = 17949120000. Its totient is φ = 4743678240.

The previous prime is 9869860709. The next prime is 9869860727. The reversal of 9869860724 is 4270689689.

It is a super-2 number, since 2×9869860724² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9869860727) 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, 248624 + ... + 285575.

It is an arithmetic number, because the mean of its divisors is an integer number (747880000).

Almost surely, 2^9869860724 is an apocalyptic number.

It is an amenable number.

9869860724 is a deficient number, since it is larger than the sum of its proper divisors (8079259276).

9869860724 is a wasteful number, since it uses less digits than its factorization.

9869860724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534383 (or 534381 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The square root of 9869860724 is about 99347.1727025988. The cubic root of 9869860724 is about 2145.0479664274.

The spelling of 9869860724 in words is "nine billion, eight hundred sixty-nine million, eight hundred sixty thousand, seven hundred twenty-four".