1890602 has 8 divisors (see below), whose sum is σ = 3241056. Its totient is φ = 810252.

The previous prime is 1890601. The next prime is 1890611. The reversal of 1890602 is 2060981.

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

It is not an unprimeable number, because it can be changed into a prime (1890601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67508 + ... + 67535.

It is an arithmetic number, because the mean of its divisors is an integer number (405132).

2^1890602 is an apocalyptic number.

1890602 is a deficient number, since it is larger than the sum of its proper divisors (1350454).

1890602 is a wasteful number, since it uses less digits than its factorization.

1890602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135052.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1890602 is about 1374.9916363382. The cubic root of 1890602 is about 123.6516846576.

The spelling of 1890602 in words is "one million, eight hundred ninety thousand, six hundred two".