3942197 has 12 divisors (see below), whose sum is σ = 4694976. Its totient is φ = 3298680.

The previous prime is 3942137. The next prime is 3942209. The reversal of 3942197 is 7912493.

3942197 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3942197 - 2¹⁶ = 3876661 is a prime.

It is a super-3 number, since 3×3942197³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

3942197 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942137) 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, 1172 + ... + 3042.

It is an arithmetic number, because the mean of its divisors is an integer number (391248).

Almost surely, 2^3942197 is an apocalyptic number.

It is an amenable number.

3942197 is a deficient number, since it is larger than the sum of its proper divisors (752779).

3942197 is a wasteful number, since it uses less digits than its factorization.

3942197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1921 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 3942197 is about 1985.4966633062. The cubic root of 3942197 is about 157.9717542842.

The spelling of 3942197 in words is "three million, nine hundred forty-two thousand, one hundred ninety-seven".