1692993 has 8 divisors (see below), whose sum is σ = 2264800. Its totient is φ = 1124928.

The previous prime is 1692989. The next prime is 1693001. The reversal of 1692993 is 3992961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1692993 - 2² = 1692989 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 9 + 2 + 9⁴ + 9⁴ + 3⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1692983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (283100).

2^1692993 is an apocalyptic number.

It is an amenable number.

1692993 is a deficient number, since it is larger than the sum of its proper divisors (571807).

1692993 is a wasteful number, since it uses less digits than its factorization.

1692993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 26244, while the sum is 39.

The square root of 1692993 is about 1301.1506446219. The cubic root of 1692993 is about 119.1841181564.

Subtracting 1692993 from its reverse (3992961), we obtain a cube (2299968 = 132³).

The spelling of 1692993 in words is "one million, six hundred ninety-two thousand, nine hundred ninety-three".