1238685 has 32 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 552000.

The previous prime is 1238683. The next prime is 1238687. The reversal of 1238685 is 5868321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1238683) and next prime (1238687).

It is not a de Polignac number, because 1238685 - 2¹ = 1238683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4810 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^1238685 is an apocalyptic number.

1238685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1238685 is a deficient number, since it is larger than the sum of its proper divisors (1083747).

1238685 is a wasteful number, since it uses less digits than its factorization.

1238685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 11520, while the sum is 33.

The square root of 1238685 is about 1112.9622635112. The cubic root of 1238685 is about 107.3957164284.

The spelling of 1238685 in words is "one million, two hundred thirty-eight thousand, six hundred eighty-five".