1973289 has 16 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 1257600.

The previous prime is 1973287. The next prime is 1973291. The reversal of 1973289 is 9823791.

It is an interprime number because it is at equal distance from previous prime (1973287) and next prime (1973291).

It is not a de Polignac number, because 1973289 - 2¹ = 1973287 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7372 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^1973289 is an apocalyptic number.

It is an amenable number.

1973289 is a deficient number, since it is larger than the sum of its proper divisors (776535).

1973289 is a wasteful number, since it uses less digits than its factorization.

1973289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its digits is 27216, while the sum is 39.

The square root of 1973289 is about 1404.7380538734. The cubic root of 1973289 is about 125.4286934282.

It can be divided in two parts, 197 and 3289, that added together give a triangular number (3486 = T₈₃).

The spelling of 1973289 in words is "one million, nine hundred seventy-three thousand, two hundred eighty-nine".