942259993 has 4 divisors (see below), whose sum is σ = 945232740. Its totient is φ = 939287248.

The previous prime is 942259949. The next prime is 942260051. The reversal of 942259993 is 399952249.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 432764809 + 509495184 = 20803^2 + 22572^2 .

It is a cyclic number.

It is not a de Polignac number, because 942259993 - 2⁹ = 942259481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 942259993.

It is not an unprimeable number, because it can be changed into a prime (942259943) 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, 1485898 + ... + 1486531.

It is an arithmetic number, because the mean of its divisors is an integer number (236308185).

Almost surely, 2^942259993 is an apocalyptic number.

It is an amenable number.

942259993 is a deficient number, since it is larger than the sum of its proper divisors (2972747).

942259993 is a wasteful number, since it uses less digits than its factorization.

942259993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972746.

The product of its digits is 1574640, while the sum is 52.

The square root of 942259993 is about 30696.2537290791. The cubic root of 942259993 is about 980.3705363374.

The spelling of 942259993 in words is "nine hundred forty-two million, two hundred fifty-nine thousand, nine hundred ninety-three".