3893481 has 8 divisors (see below), whose sum is σ = 5768160. Its totient is φ = 2595636.

The previous prime is 3893479. The next prime is 3893489. The reversal of 3893481 is 1843983.

It is not a de Polignac number, because 3893481 - 2¹ = 3893479 is a prime.

It is a super-2 number, since 2×3893481² = 30318388594722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3893489) 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 7 ways as a sum of consecutive naturals, for example, 72075 + ... + 72128.

It is an arithmetic number, because the mean of its divisors is an integer number (721020).

Almost surely, 2^3893481 is an apocalyptic number.

It is an amenable number.

3893481 is a deficient number, since it is larger than the sum of its proper divisors (1874679).

3893481 is a wasteful number, since it uses less digits than its factorization.

3893481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144212 (or 144206 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3893481 is about 1973.1905635290. The cubic root of 3893481 is about 157.3183393057.

Subtracting from 3893481 its sum of digits (36), we obtain a triangular number (3893445 = T₂₇₉₀).

The spelling of 3893481 in words is "three million, eight hundred ninety-three thousand, four hundred eighty-one".