42386392 has 8 divisors (see below), whose sum is σ = 79474500. Its totient is φ = 21193192.

The previous prime is 42386369. The next prime is 42386417. The reversal of 42386392 is 29368324.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2649142 + ... + 2649157.

Almost surely, 2^42386392 is an apocalyptic number.

It is an amenable number.

42386392 is a deficient number, since it is larger than the sum of its proper divisors (37088108).

42386392 is a wasteful number, since it uses less digits than its factorization.

42386392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298305 (or 5298301 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 42386392 is about 6510.4832385930. The cubic root of 42386392 is about 348.6653716539.

It can be divided in two parts, 42386 and 392, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42386392 in words is "forty-two million, three hundred eighty-six thousand, three hundred ninety-two".