1385706 has 16 divisors (see below), whose sum is σ = 3167424. Its totient is φ = 395904.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385706 is 6075831.

It is a super-2 number, since 2×1385706² = 3840362236872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16455 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (197964).

2^1385706 is an apocalyptic number.

1385706 is an abundant number, since it is smaller than the sum of its proper divisors (1781718).

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

1385706 is a wasteful number, since it uses less digits than its factorization.

1385706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33005.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1385706 is about 1177.1601420368. The cubic root of 1385706 is about 111.4868639300.

The spelling of 1385706 in words is "one million, three hundred eighty-five thousand, seven hundred six".