1889342 has 24 divisors (see below), whose sum is σ = 3552696. Its totient is φ = 746928.

The previous prime is 1889317. The next prime is 1889347. The reversal of 1889342 is 2439881.

It is a happy number.

It is a super-2 number, since 2×1889342² = 7139226385928, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (148029).

2^1889342 is an apocalyptic number.

1889342 is a deficient number, since it is larger than the sum of its proper divisors (1663354).

1889342 is a wasteful number, since it uses less digits than its factorization.

1889342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1505 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1889342 is about 1374.5333753678. The cubic root of 1889342 is about 123.6242091504.

The spelling of 1889342 in words is "one million, eight hundred eighty-nine thousand, three hundred forty-two".