1385958 has 16 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 395976.

The previous prime is 1385953. The next prime is 1385963. The reversal of 1385958 is 8595831.

It is an interprime number because it is at equal distance from previous prime (1385953) and next prime (1385963).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16458 + ... + 16541.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2^1385958 is an apocalyptic number.

1385958 is an abundant number, since it is smaller than the sum of its proper divisors (1782042).

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

1385958 is a wasteful number, since it uses less digits than its factorization.

1385958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33011.

The product of its digits is 43200, while the sum is 39.

The square root of 1385958 is about 1177.2671744341. The cubic root of 1385958 is about 111.4936217336.

The spelling of 1385958 in words is "one million, three hundred eighty-five thousand, nine hundred fifty-eight".