3791481 has 8 divisors (see below), whose sum is σ = 5275200. Its totient is φ = 2417712.

The previous prime is 3791479. The next prime is 3791483. The reversal of 3791481 is 1841973.

It is an interprime number because it is at equal distance from previous prime (3791479) and next prime (3791483).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3791481 - 2¹ = 3791479 is a prime.

It is a super-2 number, since 2×3791481² = 28750656346722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3791483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27406 + ... + 27543.

It is an arithmetic number, because the mean of its divisors is an integer number (659400).

Almost surely, 2^3791481 is an apocalyptic number.

3791481 is the 1232-nd centered pentagonal number.

It is an amenable number.

3791481 is a deficient number, since it is larger than the sum of its proper divisors (1483719).

3791481 is a wasteful number, since it uses less digits than its factorization.

3791481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54975.

The product of its digits is 6048, while the sum is 33.

The square root of 3791481 is about 1947.1725655422. The cubic root of 3791481 is about 155.9323753575.

The spelling of 3791481 in words is "three million, seven hundred ninety-one thousand, four hundred eighty-one".