1933993 has 2 divisors, whose sum is σ = 1933994. Its totient is φ = 1933992.

The previous prime is 1933979. The next prime is 1934021. The reversal of 1933993 is 3993391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1671849 + 262144 = 1293^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1933993 - 2¹³ = 1925801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1933913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966996 + 966997.

It is an arithmetic number, because the mean of its divisors is an integer number (966997).

2^1933993 is an apocalyptic number.

It is an amenable number.

1933993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1933993 is an equidigital number, since it uses as much as digits as its factorization.

1933993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 37.

The square root of 1933993 is about 1390.6807685447. The cubic root of 1933993 is about 124.5905106795.

It can be divided in two parts, 1933 and 993, that added together give a triangular number (2926 = T₇₆).

The spelling of 1933993 in words is "one million, nine hundred thirty-three thousand, nine hundred ninety-three".