1890148 has 24 divisors (see below), whose sum is σ = 3600128. Its totient is φ = 863136.

The previous prime is 1890121. The next prime is 1890149. The reversal of 1890148 is 8410981.

It is not an unprimeable number, because it can be changed into a prime (1890149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365 + ... + 8587.

2^1890148 is an apocalyptic number.

It is an amenable number.

1890148 is a deficient number, since it is larger than the sum of its proper divisors (1709980).

1890148 is a wasteful number, since it uses less digits than its factorization.

1890148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1890148 is about 1374.8265345126. The cubic root of 1890148 is about 123.6417861599.

The spelling of 1890148 in words is "one million, eight hundred ninety thousand, one hundred forty-eight".