1897364 has 12 divisors (see below), whose sum is σ = 3794784. Its totient is φ = 813144.

The previous prime is 1897361. The next prime is 1897367. The reversal of 1897364 is 4637981.

It is an interprime number because it is at equal distance from previous prime (1897361) and next prime (1897367).

1897364 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 1 + 8⁵ + 9 + 7³ + 3¹³ + 6⁵ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897361) 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, 33854 + ... + 33909.

It is an arithmetic number, because the mean of its divisors is an integer number (316232).

2^1897364 is an apocalyptic number.

1897364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1897364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1897364 is a wasteful number, since it uses less digits than its factorization.

1897364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67774 (or 67772 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1897364 is about 1377.4483656384. The cubic root of 1897364 is about 123.7989283785.

The spelling of 1897364 in words is "one million, eight hundred ninety-seven thousand, three hundred sixty-four".