1890136 has 16 divisors (see below), whose sum is σ = 3565440. Its totient is φ = 939360.

The previous prime is 1890121. The next prime is 1890149. The reversal of 1890136 is 6310981.

It is a happy number.

It is a super-2 number, since 2×1890136² = 7145228196992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (222840).

2^1890136 is an apocalyptic number.

It is an amenable number.

1890136 is a deficient number, since it is larger than the sum of its proper divisors (1675304).

1890136 is a wasteful number, since it uses less digits than its factorization.

1890136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1890136 is about 1374.8221703188. The cubic root of 1890136 is about 123.6415245041.

The spelling of 1890136 in words is "one million, eight hundred ninety thousand, one hundred thirty-six".