1385470 has 8 divisors (see below), whose sum is σ = 2493864. Its totient is φ = 554184.

The previous prime is 1385459. The next prime is 1385471. The reversal of 1385470 is 745831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69264 + ... + 69283.

It is an arithmetic number, because the mean of its divisors is an integer number (311733).

2^1385470 is an apocalyptic number.

1385470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385470 is a deficient number, since it is larger than the sum of its proper divisors (1108394).

1385470 is a wasteful number, since it uses less digits than its factorization.

1385470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138554.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1385470 is about 1177.0598965218. The cubic root of 1385470 is about 111.4805344504.

It can be divided in two parts, 13854 and 70, that added together give a square (13924 = 118²).

The spelling of 1385470 in words is "one million, three hundred eighty-five thousand, four hundred seventy".