3728242 has 16 divisors (see below), whose sum is σ = 6420672. Its totient is φ = 1590480.

The previous prime is 3728203. The next prime is 3728243. The reversal of 3728242 is 2428273.

It is a self number, because there is not a number n which added to its sum of digits gives 3728242.

It is not an unprimeable number, because it can be changed into a prime (3728243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (401292).

Almost surely, 2^3728242 is an apocalyptic number.

3728242 is a deficient number, since it is larger than the sum of its proper divisors (2692430).

3728242 is a wasteful number, since it uses less digits than its factorization.

3728242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its digits is 5376, while the sum is 28.

The square root of 3728242 is about 1930.8656089951. The cubic root of 3728242 is about 155.0605659944.

The spelling of 3728242 in words is "three million, seven hundred twenty-eight thousand, two hundred forty-two".