1408736 has 48 divisors (see below), whose sum is σ = 3346560. Its totient is φ = 570240.

The previous prime is 1408709. The next prime is 1408741. The reversal of 1408736 is 6378041.

It is a junction number, because it is equal to n+sod(n) for n = 1408699 and 1408708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4091 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (69720).

2^1408736 is an apocalyptic number.

1408736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673280).

1408736 is an abundant number, since it is smaller than the sum of its proper divisors (1937824).

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

1408736 is a wasteful number, since it uses less digits than its factorization.

1408736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1408736 is about 1186.9018493540. The cubic root of 1408736 is about 112.1010991894.

The spelling of 1408736 in words is "one million, four hundred eight thousand, seven hundred thirty-six".