3961854 has 24 divisors (see below), whose sum is σ = 9244872. Its totient is φ = 1218960.

The previous prime is 3961847. The next prime is 3961877. The reversal of 3961854 is 4581693.

3961854 is a `hidden beast` number, since 39 + 618 + 5 + 4 = 666.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8232 + ... + 8699.

It is an arithmetic number, because the mean of its divisors is an integer number (385203).

Almost surely, 2^3961854 is an apocalyptic number.

3961854 is an abundant number, since it is smaller than the sum of its proper divisors (5283018).

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

3961854 is a wasteful number, since it uses less digits than its factorization.

3961854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952 (or 16949 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3961854 is about 1990.4406547295. The cubic root of 3961854 is about 158.2338842404.

It can be divided in two parts, 39 and 61854, that multiplied together give a triangular number (2412306 = T₂₁₉₆).

The spelling of 3961854 in words is "three million, nine hundred sixty-one thousand, eight hundred fifty-four".