906692993 has 4 divisors (see below), whose sum is σ = 906956208. Its totient is φ = 906429780.

The previous prime is 906692987. The next prime is 906693001. The reversal of 906692993 is 399296609.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 906692993 - 2¹⁸ = 906430849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906692393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126371 + ... + 133352.

It is an arithmetic number, because the mean of its divisors is an integer number (226739052).

Almost surely, 2^906692993 is an apocalyptic number.

It is an amenable number.

906692993 is a deficient number, since it is larger than the sum of its proper divisors (263215).

906692993 is a wasteful number, since it uses less digits than its factorization.

906692993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263214.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The square root of 906692993 is about 30111.3432613027. The cubic root of 906692993 is about 967.8768145870.

The spelling of 906692993 in words is "nine hundred six million, six hundred ninety-two thousand, nine hundred ninety-three".