1438825 has 12 divisors (see below), whose sum is σ = 1812880. Its totient is φ = 1132560.

The previous prime is 1438817. The next prime is 1438831. The reversal of 1438825 is 5288341.

It is not a de Polignac number, because 1438825 - 2³ = 1438817 is a prime.

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, 1246 + ... + 2104.

2^1438825 is an apocalyptic number.

It is an amenable number.

1438825 is a deficient number, since it is larger than the sum of its proper divisors (374055).

1438825 is an equidigital number, since it uses as much as digits as its factorization.

1438825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 931 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 1438825 is about 1199.5103167543. The cubic root of 1438825 is about 112.8936007375.

The spelling of 1438825 in words is "one million, four hundred thirty-eight thousand, eight hundred twenty-five".