3954688 has 24 divisors (see below), whose sum is σ = 7911540. Its totient is φ = 1976320.

The previous prime is 3954683. The next prime is 3954697. The reversal of 3954688 is 8864593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083 + ... + 3013.

Almost surely, 2^3954688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955770).

3954688 is an abundant number, since it is smaller than the sum of its proper divisors (3956852).

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

3954688 is an equidigital number, since it uses as much as digits as its factorization.

3954688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1933 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 3954688 is about 1988.6397361010. The cubic root of 3954688 is about 158.1384248628.

The spelling of 3954688 in words is "three million, nine hundred fifty-four thousand, six hundred eighty-eight".