3681455 has 8 divisors (see below), whose sum is σ = 4428672. Its totient is φ = 2937888.

The previous prime is 3681451. The next prime is 3681481. The reversal of 3681455 is 5541863.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3681455 - 2² = 3681451 is a prime.

It is a super-2 number, since 2×3681455² = 27106221834050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681451) 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, 2429 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (553584).

Almost surely, 2^3681455 is an apocalyptic number.

3681455 is a deficient number, since it is larger than the sum of its proper divisors (747217).

3681455 is a wasteful number, since it uses less digits than its factorization.

3681455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 14400, while the sum is 32.

The square root of 3681455 is about 1918.7118074375. The cubic root of 3681455 is about 154.4091973500.

The spelling of 3681455 in words is "three million, six hundred eighty-one thousand, four hundred fifty-five".