5439400 has 24 divisors (see below), whose sum is σ = 12647070. Its totient is φ = 2175680.

The previous prime is 5439391. The next prime is 5439409. The reversal of 5439400 is 49345.

It is an interprime number because it is at equal distance from previous prime (5439391) and next prime (5439409).

It can be written as a sum of positive squares in 3 ways, for example, as 4153444 + 1285956 = 2038^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (5439409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13399 + ... + 13798.

Almost surely, 2^5439400 is an apocalyptic number.

5439400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5439400 is an abundant number, since it is smaller than the sum of its proper divisors (7207670).

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

5439400 is a wasteful number, since it uses less digits than its factorization.

5439400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27213 (or 27204 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5439400 is about 2332.2521304525. The cubic root of 5439400 is about 175.8667207226.

It can be divided in two parts, 5 and 439400, that multiplied together give a cube (2197000 = 130³).

The spelling of 5439400 in words is "five million, four hundred thirty-nine thousand, four hundred".