3699984971 has 4 divisors (see below), whose sum is σ = 3701125632. Its totient is φ = 3698844312.

The previous prime is 3699984929. The next prime is 3699984989. The reversal of 3699984971 is 1794899963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1794899963 = 9859 ⋅182057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3699984971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3699984898 and 3699984907.

It is not an unprimeable number, because it can be changed into a prime (3699980971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565451 + ... + 571956.

It is an arithmetic number, because the mean of its divisors is an integer number (925281408).

Almost surely, 2^3699984971 is an apocalyptic number.

3699984971 is a deficient number, since it is larger than the sum of its proper divisors (1140661).

3699984971 is a wasteful number, since it uses less digits than its factorization.

3699984971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140660.

The product of its digits is 26453952, while the sum is 65.

The square root of 3699984971 is about 60827.5017652377. The cubic root of 3699984971 is about 1546.6782796197.

The spelling of 3699984971 in words is "three billion, six hundred ninety-nine million, nine hundred eighty-four thousand, nine hundred seventy-one".