1385646 has 8 divisors (see below), whose sum is σ = 2771304. Its totient is φ = 461880.

The previous prime is 1385621. The next prime is 1385647. The reversal of 1385646 is 6465831.

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

1385646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385647) 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, 115465 + ... + 115476.

It is an arithmetic number, because the mean of its divisors is an integer number (346413).

2^1385646 is an apocalyptic number.

1385646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385646 is a wasteful number, since it uses less digits than its factorization.

1385646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230946.

The product of its digits is 17280, while the sum is 33.

The square root of 1385646 is about 1177.1346566982. The cubic root of 1385646 is about 111.4852548084.

The spelling of 1385646 in words is "one million, three hundred eighty-five thousand, six hundred forty-six".