1385634 has 8 divisors (see below), whose sum is σ = 2771280. Its totient is φ = 461876.

The previous prime is 1385621. The next prime is 1385647. The reversal of 1385634 is 4365831.

It is an interprime number because it is at equal distance from previous prime (1385621) and next prime (1385647).

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

1385634 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115464 + ... + 115475.

It is an arithmetic number, because the mean of its divisors is an integer number (346410).

2^1385634 is an apocalyptic number.

1385634 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.

1385634 is a wasteful number, since it uses less digits than its factorization.

1385634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230944.

The product of its digits is 8640, while the sum is 30.

The square root of 1385634 is about 1177.1295595643. The cubic root of 1385634 is about 111.4849329785.

The spelling of 1385634 in words is "one million, three hundred eighty-five thousand, six hundred thirty-four".