2153734 has 16 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 972360.

The previous prime is 2153729. The next prime is 2153737. The reversal of 2153734 is 4373512.

It is a junction number, because it is equal to n+sod(n) for n = 2153699 and 2153708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153737) 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, 4687 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^2153734 is an apocalyptic number.

2153734 is a deficient number, since it is larger than the sum of its proper divisors (1394426).

2153734 is a wasteful number, since it uses less digits than its factorization.

2153734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its digits is 2520, while the sum is 25.

The square root of 2153734 is about 1467.5605609310. The cubic root of 2153734 is about 129.1409632287.

The spelling of 2153734 in words is "two million, one hundred fifty-three thousand, seven hundred thirty-four".