1889746 has 4 divisors (see below), whose sum is σ = 2834622. Its totient is φ = 944872.

The previous prime is 1889743. The next prime is 1889747. The reversal of 1889746 is 6479881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6479881 = 271 ⋅23911.

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 314721 = 1255^2 + 561^2 .

It is a super-2 number, since 2×1889746² = 7142279889032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1889743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472435 + ... + 472438.

2^1889746 is an apocalyptic number.

1889746 is a deficient number, since it is larger than the sum of its proper divisors (944876).

1889746 is an equidigital number, since it uses as much as digits as its factorization.

1889746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944875.

The product of its digits is 96768, while the sum is 43.

The square root of 1889746 is about 1374.6803264759. The cubic root of 1889746 is about 123.6330200876.

The spelling of 1889746 in words is "one million, eight hundred eighty-nine thousand, seven hundred forty-six".