3969792 has 54 divisors (see below), whose sum is σ = 11452532. Its totient is φ = 1322496.

The previous prime is 3969787. The next prime is 3969793. The reversal of 3969792 is 2979693.

It is not an unprimeable number, because it can be changed into a prime (3969793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1443 + ... + 3165.

Almost surely, 2^3969792 is an apocalyptic number.

3969792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3969792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5726266).

3969792 is an abundant number, since it is smaller than the sum of its proper divisors (7482740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969792 is a wasteful number, since it uses less digits than its factorization.

3969792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1728 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 3969792 is about 1992.4336877297. The cubic root of 3969792 is about 158.3394932660.

Subtracting from 3969792 its reverse (2979693), we obtain a palindrome (990099).

It can be divided in two parts, 3969 and 792, that added together give a square (4761 = 69²).

The spelling of 3969792 in words is "three million, nine hundred sixty-nine thousand, seven hundred ninety-two".