1385734 has 8 divisors (see below), whose sum is σ = 2375568. Its totient is φ = 593880.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385734 is 4375831.

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

It is a junction number, because it is equal to n+sod(n) for n = 1385696 and 1385705.

It is a congruent 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, 49477 + ... + 49504.

It is an arithmetic number, because the mean of its divisors is an integer number (296946).

2^1385734 is an apocalyptic number.

1385734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1385734 is a deficient number, since it is larger than the sum of its proper divisors (989834).

1385734 is an equidigital number, since it uses as much as digits as its factorization.

1385734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98990.

The product of its digits is 10080, while the sum is 31.

The square root of 1385734 is about 1177.1720350059. The cubic root of 1385734 is about 111.4876148375.

The spelling of 1385734 in words is "one million, three hundred eighty-five thousand, seven hundred thirty-four".