1384680 has 64 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 335360.

The previous prime is 1384679. The next prime is 1384697. The reversal of 1384680 is 864831.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2^1384680 is an apocalyptic number.

1384680 is a gapful number since it is divisible by the number (10) 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 1384680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268000).

1384680 is an abundant number, since it is smaller than the sum of its proper divisors (3151320).

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

1384680 is a wasteful number, since it uses less digits than its factorization.

1384680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1384680 is about 1176.7242667677. The cubic root of 1384680 is about 111.4593415539.

The spelling of 1384680 in words is "one million, three hundred eighty-four thousand, six hundred eighty".