1378234 has 32 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 561600.

The previous prime is 1378231. The next prime is 1378249. The reversal of 1378234 is 4328731.

It is not an unprimeable number, because it can be changed into a prime (1378231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17407 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1378234 is an apocalyptic number.

1378234 is a deficient number, since it is larger than the sum of its proper divisors (1121606).

1378234 is a wasteful number, since it uses less digits than its factorization.

1378234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its digits is 4032, while the sum is 28.

The square root of 1378234 is about 1173.9821122998. The cubic root of 1378234 is about 111.2861162881.

The spelling of 1378234 in words is "one million, three hundred seventy-eight thousand, two hundred thirty-four".