2739924 has 108 divisors (see below), whose sum is σ = 8278452. Its totient is φ = 760320.

The previous prime is 2739899. The next prime is 2739931. The reversal of 2739924 is 4299372.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 435600 = 1518^2 + 660^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 3⁶ + 9 + 9² + 2²¹ + 4² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74034 + ... + 74070.

2^2739924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2739924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139226).

2739924 is an abundant number, since it is smaller than the sum of its proper divisors (5538528).

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

2739924 is a wasteful number, since it uses less digits than its factorization.

2739924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 70 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2739924 is about 1655.2715789259. The cubic root of 2739924 is about 139.9306459207.

It can be divided in two parts, 2739 and 924, that added together give a palindrome (3663).

The spelling of 2739924 in words is "two million, seven hundred thirty-nine thousand, nine hundred twenty-four".