1384634 has 8 divisors (see below), whose sum is σ = 2148660. Its totient is φ = 668416.

The previous prime is 1384631. The next prime is 1384661. The reversal of 1384634 is 4364831.

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 55225 = 1153^2 + 235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1384634² = 3834422627912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1384597 and 1384606.

It is not an unprimeable number, because it can be changed into a prime (1384631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11879 + ... + 11994.

2^1384634 is an apocalyptic number.

1384634 is a deficient number, since it is larger than the sum of its proper divisors (764026).

1384634 is a wasteful number, since it uses less digits than its factorization.

1384634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23904.

The product of its digits is 6912, while the sum is 29.

The square root of 1384634 is about 1176.7047208200. The cubic root of 1384634 is about 111.4581072889.

The spelling of 1384634 in words is "one million, three hundred eighty-four thousand, six hundred thirty-four".