909634942 has 8 divisors (see below), whose sum is σ = 1364655600. Its totient is φ = 454749744.

The previous prime is 909634933. The next prime is 909634949. The reversal of 909634942 is 249436909.

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 = 909634892 and 909634901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909634949) 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, 14967 + ... + 45202.

It is an arithmetic number, because the mean of its divisors is an integer number (170581950).

Almost surely, 2^909634942 is an apocalyptic number.

909634942 is a deficient number, since it is larger than the sum of its proper divisors (455020658).

909634942 is a wasteful number, since it uses less digits than its factorization.

909634942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67730.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 909634942 is about 30160.1548736077. The cubic root of 909634942 is about 968.9225085118.

The spelling of 909634942 in words is "nine hundred nine million, six hundred thirty-four thousand, nine hundred forty-two".