893420042 has 4 divisors (see below), whose sum is σ = 1340130066. Its totient is φ = 446710020.

The previous prime is 893419979. The next prime is 893420083. The reversal of 893420042 is 240024398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 891082201 + 2337841 = 29851^2 + 1529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 893419990 and 893420008.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223355009 + ... + 223355012.

Almost surely, 2^893420042 is an apocalyptic number.

893420042 is a deficient number, since it is larger than the sum of its proper divisors (446710024).

893420042 is a wasteful number, since it uses less digits than its factorization.

893420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446710023.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 893420042 is about 29890.1328535020. The cubic root of 893420042 is about 963.1307087182.

The spelling of 893420042 in words is "eight hundred ninety-three million, four hundred twenty thousand, forty-two".