5440392 has 64 divisors (see below), whose sum is σ = 15336000. Its totient is φ = 1786752.

The previous prime is 5440387. The next prime is 5440399. The reversal of 5440392 is 2930445.

It is a super-2 number, since 2×5440392² = 59195730227328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5440399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19083 + ... + 19365.

It is an arithmetic number, because the mean of its divisors is an integer number (239625).

Almost surely, 2^5440392 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 5440392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668000).

5440392 is an abundant number, since it is smaller than the sum of its proper divisors (9895608).

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

5440392 is a wasteful number, since it uses less digits than its factorization.

5440392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5440392 is about 2332.4647907310. The cubic root of 5440392 is about 175.8774111898.

It can be divided in two parts, 5440 and 392, that added together give a cube (5832 = 18³).

The spelling of 5440392 in words is "five million, four hundred forty thousand, three hundred ninety-two".