1238964 has 36 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 389136.

The previous prime is 1238947. The next prime is 1238989. The reversal of 1238964 is 4698321.

1238964 = 221² + 222² + ... + 243².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18459 + ... + 18525.

It is an arithmetic number, because the mean of its divisors is an integer number (85064).

2^1238964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531152).

1238964 is an abundant number, since it is smaller than the sum of its proper divisors (1823340).

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

1238964 is a wasteful number, since it uses less digits than its factorization.

1238964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 95 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1238964 is about 1113.0875976310. The cubic root of 1238964 is about 107.4037790527.

The spelling of 1238964 in words is "one million, two hundred thirty-eight thousand, nine hundred sixty-four".