1890368 has 14 divisors (see below), whose sum is σ = 3751326. Its totient is φ = 945152.

The previous prime is 1890337. The next prime is 1890373. The reversal of 1890368 is 8630981.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 906304 = 992^2 + 952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14705 + ... + 14832.

2^1890368 is an apocalyptic number.

It is an amenable number.

1890368 is a deficient number, since it is larger than the sum of its proper divisors (1860958).

1890368 is an equidigital number, since it uses as much as digits as its factorization.

1890368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29549 (or 29539 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1890368 is about 1374.9065422784. The cubic root of 1890368 is about 123.6465829867.

The spelling of 1890368 in words is "one million, eight hundred ninety thousand, three hundred sixty-eight".