3942736 has 60 divisors (see below), whose sum is σ = 9160128. Its totient is φ = 1638336.

The previous prime is 3942727. The next prime is 3942739. The reversal of 3942736 is 6372493.

It is a d-powerful number, because it can be written as 3⁹ + 9⁶ + 4² + 2³ + 7⁶ + 3¹³ + 6⁸ .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36795 + ... + 36901.

Almost surely, 2^3942736 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 3942736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580064).

3942736 is an abundant number, since it is smaller than the sum of its proper divisors (5217392).

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

3942736 is a wasteful number, since it uses less digits than its factorization.

3942736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 3942736 is about 1985.6323929670. The cubic root of 3942736 is about 157.9789535605.

The spelling of 3942736 in words is "three million, nine hundred forty-two thousand, seven hundred thirty-six".