1238660 has 12 divisors (see below), whose sum is σ = 2601228. Its totient is φ = 495456.

The previous prime is 1238659. The next prime is 1238681. The reversal of 1238660 is 668321.

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 743044 = 704^2 + 862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30947 + ... + 30986.

It is an arithmetic number, because the mean of its divisors is an integer number (216769).

2^1238660 is an apocalyptic number.

1238660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1238660 is an abundant number, since it is smaller than the sum of its proper divisors (1362568).

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

1238660 is a wasteful number, since it uses less digits than its factorization.

1238660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61942 (or 61940 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1238660 is about 1112.9510321663. The cubic root of 1238660 is about 107.3949939119.

The spelling of 1238660 in words is "one million, two hundred thirty-eight thousand, six hundred sixty".