2321408 has 22 divisors (see below), whose sum is σ = 4642596. Its totient is φ = 1160192.

The previous prime is 2321399. The next prime is 2321443. The reversal of 2321408 is 8041232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110 + ... + 2157.

2^2321408 is an apocalyptic number.

It is an amenable number.

2321408 is a deficient number, since it is larger than the sum of its proper divisors (2321188).

2321408 is an equidigital number, since it uses as much as digits as its factorization.

2321408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2321408 is about 1523.6167497110. The cubic root of 2321408 is about 132.4088942951.

The spelling of 2321408 in words is "two million, three hundred twenty-one thousand, four hundred eight".