1388496 has 20 divisors (see below), whose sum is σ = 3587072. Its totient is φ = 462816.

The previous prime is 1388483. The next prime is 1388587. The reversal of 1388496 is 6948831.

It is a super-2 number, since 2×1388496² = 3855842284032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14416 + ... + 14511.

2^1388496 is an apocalyptic number.

1388496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1388496 is an abundant number, since it is smaller than the sum of its proper divisors (2198576).

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

1388496 is a wasteful number, since it uses less digits than its factorization.

1388496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28938 (or 28932 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1388496 is about 1178.3446015491. The cubic root of 1388496 is about 111.5616368441.

The spelling of 1388496 in words is "one million, three hundred eighty-eight thousand, four hundred ninety-six".