1889748 has 36 divisors (see below), whose sum is σ = 5460000. Its totient is φ = 539856.

The previous prime is 1889747. The next prime is 1889753. The reversal of 1889748 is 8479881.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1889748² = 7142295007008, which contains 22 as substring.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 3498 + ... + 4001.

2^1889748 is an apocalyptic number.

1889748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1889748 is an abundant number, since it is smaller than the sum of its proper divisors (3570252).

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

1889748 is a wasteful number, since it uses less digits than its factorization.

1889748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516 (or 7511 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1889748 is about 1374.6810539176. The cubic root of 1889748 is about 123.6330637029.

The spelling of 1889748 in words is "one million, eight hundred eighty-nine thousand, seven hundred forty-eight".