1889413 has 4 divisors (see below), whose sum is σ = 1903968. Its totient is φ = 1874860.

The previous prime is 1889411. The next prime is 1889423. The reversal of 1889413 is 3149881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1889413 - 2¹ = 1889411 is a prime.

It is a Duffinian number.

1889413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (475992).

2^1889413 is an apocalyptic number.

It is an amenable number.

1889413 is a deficient number, since it is larger than the sum of its proper divisors (14555).

1889413 is a wasteful number, since it uses less digits than its factorization.

1889413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14554.

The product of its digits is 6912, while the sum is 34.

The square root of 1889413 is about 1374.5592020717. The cubic root of 1889413 is about 123.6257576981.

The spelling of 1889413 in words is "one million, eight hundred eighty-nine thousand, four hundred thirteen".