1396824 has 96 divisors (see below), whose sum is σ = 4245360. Its totient is φ = 380160.

The previous prime is 1396819. The next prime is 1396841. The reversal of 1396824 is 4286931.

It is a super-2 number, since 2×1396824² = 3902234573952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

Its product of digits (10368) is a multiple of the sum of its prime factors (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37734 + ... + 37770.

2^1396824 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 1396824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122680).

1396824 is an abundant number, since it is smaller than the sum of its proper divisors (2848536).

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

1396824 is a wasteful number, since it uses less digits than its factorization.

1396824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 66 counting only the distinct ones).

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

The square root of 1396824 is about 1181.8730896336. The cubic root of 1396824 is about 111.7842359657.

The spelling of 1396824 in words is "one million, three hundred ninety-six thousand, eight hundred twenty-four".