3961242 has 36 divisors (see below), whose sum is σ = 8907210. Its totient is φ = 1272240.

The previous prime is 3961231. The next prime is 3961259. The reversal of 3961242 is 2421693.

3961242 is a `hidden beast` number, since 3 + 9 + 612 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 1461681 = 1581^2 + 1209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17184 + ... + 17412.

Almost surely, 2^3961242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3961242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4453605).

3961242 is an abundant number, since it is smaller than the sum of its proper divisors (4945968).

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

3961242 is a wasteful number, since it uses less digits than its factorization.

3961242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 265 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3961242 is about 1990.2869139900. The cubic root of 3961242 is about 158.2257361929.

The spelling of 3961242 in words is "three million, nine hundred sixty-one thousand, two hundred forty-two".