893640422 has 8 divisors (see below), whose sum is σ = 1368981216. Its totient is φ = 437313352.

The previous prime is 893640401. The next prime is 893640427. The reversal of 893640422 is 224046398.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893640427) 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, 4753313 + ... + 4753500.

It is an arithmetic number, because the mean of its divisors is an integer number (171122652).

Almost surely, 2^893640422 is an apocalyptic number.

893640422 is a deficient number, since it is larger than the sum of its proper divisors (475340794).

893640422 is a wasteful number, since it uses less digits than its factorization.

893640422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506862.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 893640422 is about 29893.8191270369. The cubic root of 893640422 is about 963.2098940531.

The spelling of 893640422 in words is "eight hundred ninety-three million, six hundred forty thousand, four hundred twenty-two".