1898146 has 8 divisors (see below), whose sum is σ = 2886444. Its totient is φ = 936000.

The previous prime is 1898131. The next prime is 1898153. The reversal of 1898146 is 6418981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1729225 + 168921 = 1315^2 + 411^2 .

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

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, 6355 + ... + 6646.

2^1898146 is an apocalyptic number.

1898146 is a deficient number, since it is larger than the sum of its proper divisors (988298).

1898146 is a wasteful number, since it uses less digits than its factorization.

1898146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076.

The product of its digits is 13824, while the sum is 37.

The square root of 1898146 is about 1377.7321945865. The cubic root of 1898146 is about 123.8159339829.

The spelling of 1898146 in words is "one million, eight hundred ninety-eight thousand, one hundred forty-six".