5140638 has 32 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 1638648.

The previous prime is 5140633. The next prime is 5140643. The reversal of 5140638 is 8360415.

5140638 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5140633) and next prime (5140643).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140633) 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, 828 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (372600).

Almost surely, 2^5140638 is an apocalyptic number.

5140638 is an abundant number, since it is smaller than the sum of its proper divisors (6782562).

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

5140638 is a wasteful number, since it uses less digits than its factorization.

5140638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5140638 is about 2267.2975102531. The cubic root of 5140638 is about 172.5860440301.

It can be divided in two parts, 5140 and 638, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5140638 in words is "five million, one hundred forty thousand, six hundred thirty-eight".