3815456 has 12 divisors (see below), whose sum is σ = 7511742. Its totient is φ = 1907712.

The previous prime is 3815453. The next prime is 3815459. The reversal of 3815456 is 6545183.

It is a happy number.

3815456 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (3815453) and next prime (3815459).

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 144400 = 1916^2 + 380^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 119233 = 3815456 / (3 + 8 + 1 + 5 + 4 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (3815453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59585 + ... + 59648.

Almost surely, 2^3815456 is an apocalyptic number.

It is an amenable number.

3815456 is a deficient number, since it is larger than the sum of its proper divisors (3696286).

3815456 is a wasteful number, since it uses less digits than its factorization.

3815456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119243 (or 119235 counting only the distinct ones).

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

The square root of 3815456 is about 1953.3192263427. The cubic root of 3815456 is about 156.2603585666.

The spelling of 3815456 in words is "three million, eight hundred fifteen thousand, four hundred fifty-six".