3927442 has 8 divisors (see below), whose sum is σ = 6237756. Its totient is φ = 1848192.

The previous prime is 3927437. The next prime is 3927449. The reversal of 3927442 is 2447293.

It can be written as a sum of positive squares in 2 ways, for example, as 3493161 + 434281 = 1869^2 + 659^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3927449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57723 + ... + 57790.

Almost surely, 2^3927442 is an apocalyptic number.

3927442 is a deficient number, since it is larger than the sum of its proper divisors (2310314).

3927442 is a wasteful number, since it uses less digits than its factorization.

3927442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115532.

The product of its digits is 12096, while the sum is 31.

The square root of 3927442 is about 1981.7774849866. Note that the first 3 decimals coincide. The cubic root of 3927442 is about 157.7744203845.

It can be divided in two parts, 392 and 7442, that multiplied together give a square (2917264 = 1708²).

The spelling of 3927442 in words is "three million, nine hundred twenty-seven thousand, four hundred forty-two".