1392734 has 16 divisors (see below), whose sum is σ = 2433888. Its totient is φ = 585312.

The previous prime is 1392733. The next prime is 1392763. The reversal of 1392734 is 4372931.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1392697 and 1392706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (152118).

2^1392734 is an apocalyptic number.

1392734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1392734 is a deficient number, since it is larger than the sum of its proper divisors (1041154).

1392734 is a wasteful number, since it uses less digits than its factorization.

1392734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939.

The product of its digits is 4536, while the sum is 29.

The square root of 1392734 is about 1180.1415169377. The cubic root of 1392734 is about 111.6750252400.

The spelling of 1392734 in words is "one million, three hundred ninety-two thousand, seven hundred thirty-four".