1238646 has 16 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 405768.

The previous prime is 1238621. The next prime is 1238647. The reversal of 1238646 is 6468321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (157500).

2^1238646 is an apocalyptic number.

1238646 is an abundant number, since it is smaller than the sum of its proper divisors (1281354).

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

1238646 is a wasteful number, since it uses less digits than its factorization.

1238646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its digits is 6912, while the sum is 30.

The square root of 1238646 is about 1112.9447425636. The cubic root of 1238646 is about 107.3945892984.

The spelling of 1238646 in words is "one million, two hundred thirty-eight thousand, six hundred forty-six".