1370385 has 16 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 730800.

The previous prime is 1370377. The next prime is 1370389. The reversal of 1370385 is 5830731.

It is not a de Polignac number, because 1370385 - 2³ = 1370377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (152280).

2^1370385 is an apocalyptic number.

1370385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1370385 is a deficient number, since it is larger than the sum of its proper divisors (1066095).

1370385 is a wasteful number, since it uses less digits than its factorization.

1370385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165 (or 10159 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1370385 is about 1170.6344433682. The cubic root of 1370385 is about 111.0744569837.

The spelling of 1370385 in words is "one million, three hundred seventy thousand, three hundred eighty-five".