3979242 has 12 divisors (see below), whose sum is σ = 8621730. Its totient is φ = 1326408.

The previous prime is 3979237. The next prime is 3979247. The reversal of 3979242 is 2429793.

It is an interprime number because it is at equal distance from previous prime (3979237) and next prime (3979247).

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 1879641 = 1449^2 + 1371^2 .

It is a super-3 number, since 3×3979242³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3979197 and 3979206.

It is not an unprimeable number, because it can be changed into a prime (3979247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110517 + ... + 110552.

Almost surely, 2^3979242 is an apocalyptic number.

3979242 is an abundant number, since it is smaller than the sum of its proper divisors (4642488).

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

3979242 is a wasteful number, since it uses less digits than its factorization.

3979242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221077 (or 221074 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3979242 is about 1994.8037497458. The cubic root of 3979242 is about 158.4650348956.

The spelling of 3979242 in words is "three million, nine hundred seventy-nine thousand, two hundred forty-two".