5394438 has 80 divisors (see below), whose sum is σ = 14217984. Its totient is φ = 1496880.

The previous prime is 5394437. The next prime is 5394439. The reversal of 5394438 is 8344935.

It is an interprime number because it is at equal distance from previous prime (5394437) and next prime (5394439).

It is a super-2 number, since 2×5394438² = 58199922671688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75943 + ... + 76013.

Almost surely, 2^5394438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5394438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7108992).

5394438 is an abundant number, since it is smaller than the sum of its proper divisors (8823546).

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

5394438 is a wasteful number, since it uses less digits than its factorization.

5394438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 150 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5394438 is about 2322.5929475481. The cubic root of 5394438 is about 175.3808088349.

It can be divided in two parts, 5394 and 438, that added together give a cube (5832 = 18³).

The spelling of 5394438 in words is "five million, three hundred ninety-four thousand, four hundred thirty-eight".