1385078 has 4 divisors (see below), whose sum is σ = 2077620. Its totient is φ = 692538.

The previous prime is 1385077. The next prime is 1385093. The reversal of 1385078 is 8705831.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 346268 + ... + 346271.

It is an arithmetic number, because the mean of its divisors is an integer number (519405).

2^1385078 is an apocalyptic number.

1385078 is a deficient number, since it is larger than the sum of its proper divisors (692542).

1385078 is an equidigital number, since it uses as much as digits as its factorization.

1385078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692541.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1385078 is about 1176.8933681519. The cubic root of 1385078 is about 111.4700194888.

The spelling of 1385078 in words is "one million, three hundred eighty-five thousand, seventy-eight".