3891962 has 4 divisors (see below), whose sum is σ = 5837946. Its totient is φ = 1945980.

The previous prime is 3891917. The next prime is 3891971. The reversal of 3891962 is 2691983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3389281 + 502681 = 1841^2 + 709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972989 + ... + 972992.

Almost surely, 2^3891962 is an apocalyptic number.

3891962 is a deficient number, since it is larger than the sum of its proper divisors (1945984).

3891962 is a wasteful number, since it uses less digits than its factorization.

3891962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945983.

The product of its digits is 23328, while the sum is 38.

The square root of 3891962 is about 1972.8056163748. The cubic root of 3891962 is about 157.2978779550.

The spelling of 3891962 in words is "three million, eight hundred ninety-one thousand, nine hundred sixty-two".