3975542 has 8 divisors (see below), whose sum is σ = 6090336. Its totient is φ = 1945432.

The previous prime is 3975529. The next prime is 3975547. The reversal of 3975542 is 2455793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21053 + ... + 21240.

It is an arithmetic number, because the mean of its divisors is an integer number (761292).

Almost surely, 2^3975542 is an apocalyptic number.

3975542 is a deficient number, since it is larger than the sum of its proper divisors (2114794).

3975542 is a wasteful number, since it uses less digits than its factorization.

3975542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42342.

The product of its digits is 37800, while the sum is 35.

The square root of 3975542 is about 1993.8761245373. The cubic root of 3975542 is about 158.4159047306.

The spelling of 3975542 in words is "three million, nine hundred seventy-five thousand, five hundred forty-two".