920326997 has 4 divisors (see below), whose sum is σ = 968765280. Its totient is φ = 871888716.

The previous prime is 920326973. The next prime is 920326999. The reversal of 920326997 is 799623029.

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 920326997 - 2¹² = 920322901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920326999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24219113 + ... + 24219150.

It is an arithmetic number, because the mean of its divisors is an integer number (242191320).

Almost surely, 2^920326997 is an apocalyptic number.

It is an amenable number.

920326997 is a deficient number, since it is larger than the sum of its proper divisors (48438283).

920326997 is a wasteful number, since it uses less digits than its factorization.

920326997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48438282.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 920326997 is about 30336.8916832295. The cubic root of 920326997 is about 972.7040421450.

The spelling of 920326997 in words is "nine hundred twenty million, three hundred twenty-six thousand, nine hundred ninety-seven".