920873942 has 8 divisors (see below), whose sum is σ = 1381550256. Its totient is φ = 460357192.

The previous prime is 920873927. The next prime is 920873959. The reversal of 920873942 is 249378029.

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

It is a junction number, because it is equal to n+sod(n) for n = 920873893 and 920873902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24233 + ... + 49284.

It is an arithmetic number, because the mean of its divisors is an integer number (172693782).

Almost surely, 2^920873942 is an apocalyptic number.

920873942 is a deficient number, since it is larger than the sum of its proper divisors (460676314).

920873942 is a wasteful number, since it uses less digits than its factorization.

920873942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79782.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 920873942 is about 30345.9048637539. The cubic root of 920873942 is about 972.8966947774.

The spelling of 920873942 in words is "nine hundred twenty million, eight hundred seventy-three thousand, nine hundred forty-two".