3961936 has 20 divisors (see below), whose sum is σ = 8374464. Its totient is φ = 1800800.

The previous prime is 3961933. The next prime is 3961943. The reversal of 3961936 is 6391693.

It is a junction number, because it is equal to n+sod(n) for n = 3961895 and 3961904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961933) 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, 11080 + ... + 11431.

Almost surely, 2^3961936 is an apocalyptic number.

It is an amenable number.

3961936 is an abundant number, since it is smaller than the sum of its proper divisors (4412528).

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

3961936 is a wasteful number, since it uses less digits than its factorization.

3961936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22530 (or 22524 counting only the distinct ones).

The product of its digits is 26244, while the sum is 37.

The square root of 3961936 is about 1990.4612530768. The cubic root of 3961936 is about 158.2349759085.

It can be divided in two parts, 396 and 1936, that added together give a palindrome (2332).

The spelling of 3961936 in words is "three million, nine hundred sixty-one thousand, nine hundred thirty-six".