1385072 has 20 divisors (see below), whose sum is σ = 2890440. Its totient is φ = 639168.

The previous prime is 1385071. The next prime is 1385077. The reversal of 1385072 is 2705831.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385071) 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, 3122 + ... + 3537.

It is an arithmetic number, because the mean of its divisors is an integer number (144522).

2^1385072 is an apocalyptic number.

It is an amenable number.

1385072 is an abundant number, since it is smaller than the sum of its proper divisors (1505368).

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

1385072 is a wasteful number, since it uses less digits than its factorization.

1385072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680 (or 6674 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1385072 is about 1176.8908190652. The cubic root of 1385072 is about 111.4698585301.

The spelling of 1385072 in words is "one million, three hundred eighty-five thousand, seventy-two".