3942288 has 60 divisors (see below), whose sum is σ = 12612288. Its totient is φ = 1126080.

The previous prime is 3942287. The next prime is 3942293. The reversal of 3942288 is 8822493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3942287) 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, 948 + ... + 2963.

Almost surely, 2^3942288 is an apocalyptic number.

It is an amenable number.

3942288 is an abundant number, since it is smaller than the sum of its proper divisors (8670000).

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

3942288 is a wasteful number, since it uses less digits than its factorization.

3942288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3923 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3942288 is about 1985.5195793545. The cubic root of 3942288 is about 157.9729697925.

The spelling of 3942288 in words is "three million, nine hundred forty-two thousand, two hundred eighty-eight".