3809481 has 32 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 2156544.

The previous prime is 3809471. The next prime is 3809489. The reversal of 3809481 is 1849083.

It is not a de Polignac number, because 3809481 - 2¹⁵ = 3776713 is a prime.

It is a super-2 number, since 2×3809481² = 29024290978722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3809489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39225 + ... + 39321.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

Almost surely, 2^3809481 is an apocalyptic number.

It is an amenable number.

3809481 is a deficient number, since it is larger than the sum of its proper divisors (2117559).

3809481 is a wasteful number, since it uses less digits than its factorization.

3809481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 3809481 is about 1951.7891791892. The cubic root of 3809481 is about 156.1787480999.

The spelling of 3809481 in words is "three million, eight hundred nine thousand, four hundred eighty-one".