2915456 has 16 divisors (see below), whose sum is σ = 5808390. Its totient is φ = 1457664.

The previous prime is 2915453. The next prime is 2915461. The reversal of 2915456 is 6545192.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 1000000 = 1384^2 + 1000^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2915453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11261 + ... + 11516.

2^2915456 is an apocalyptic number.

It is an amenable number.

2915456 is a deficient number, since it is larger than the sum of its proper divisors (2892934).

2915456 is an equidigital number, since it uses as much as digits as its factorization.

2915456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22791 (or 22779 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 2915456 is about 1707.4706439643. The cubic root of 2915456 is about 142.8572099047.

The spelling of 2915456 in words is "two million, nine hundred fifteen thousand, four hundred fifty-six".