1381434 has 8 divisors (see below), whose sum is σ = 2762880. Its totient is φ = 460476.

The previous prime is 1381427. The next prime is 1381439. The reversal of 1381434 is 4341831.

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

1381434 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1381439) 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, 115114 + ... + 115125.

It is an arithmetic number, because the mean of its divisors is an integer number (345360).

2^1381434 is an apocalyptic number.

1381434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1381434 is a wasteful number, since it uses less digits than its factorization.

1381434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230244.

The product of its digits is 1152, while the sum is 24.

The square root of 1381434 is about 1175.3442049034. The cubic root of 1381434 is about 111.3721781895.

The spelling of 1381434 in words is "one million, three hundred eighty-one thousand, four hundred thirty-four".