1898142 has 32 divisors (see below), whose sum is σ = 3981312. Its totient is φ = 602784.

The previous prime is 1898131. The next prime is 1898153. The reversal of 1898142 is 2418981.

It is an interprime number because it is at equal distance from previous prime (1898131) and next prime (1898153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14883 + ... + 15009.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2^1898142 is an apocalyptic number.

1898142 is an abundant number, since it is smaller than the sum of its proper divisors (2083170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1898142 is a wasteful number, since it uses less digits than its factorization.

1898142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its digits is 4608, while the sum is 33.

The square root of 1898142 is about 1377.7307429248. The cubic root of 1898142 is about 123.8158470096.

The spelling of 1898142 in words is "one million, eight hundred ninety-eight thousand, one hundred forty-two".