3970242 has 16 divisors (see below), whose sum is σ = 8822880. Its totient is φ = 1323396.

The previous prime is 3970223. The next prime is 3970247. The reversal of 3970242 is 2420793.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3970247) 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, 36708 + ... + 36815.

It is an arithmetic number, because the mean of its divisors is an integer number (551430).

Almost surely, 2^3970242 is an apocalyptic number.

3970242 is an abundant number, since it is smaller than the sum of its proper divisors (4852638).

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

3970242 is a wasteful number, since it uses less digits than its factorization.

3970242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73534 (or 73528 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3970242 is about 1992.5466117509. The cubic root of 3970242 is about 158.3454759540.

The spelling of 3970242 in words is "three million, nine hundred seventy thousand, two hundred forty-two".