2398734 has 80 divisors (see below), whose sum is σ = 6220368. Its totient is φ = 684288.

The previous prime is 2398699. The next prime is 2398777. The reversal of 2398734 is 4378932.

It is a d-powerful number, because it can be written as 2⁷ + 3⁸ + 9² + 8⁷ + 7⁶ + 3¹¹ + 4² .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35769 + ... + 35835.

2^2398734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2398734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3110184).

2398734 is an abundant number, since it is smaller than the sum of its proper divisors (3821634).

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

2398734 is a wasteful number, since it uses less digits than its factorization.

2398734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2398734 is about 1548.7846848416. The cubic root of 2398734 is about 133.8630441504.

The spelling of 2398734 in words is "two million, three hundred ninety-eight thousand, seven hundred thirty-four".