5390442 has 16 divisors (see below), whose sum is σ = 11978880. Its totient is φ = 1796796.

The previous prime is 5390389. The next prime is 5390443. The reversal of 5390442 is 2440935.

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 (5390443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49858 + ... + 49965.

It is an arithmetic number, because the mean of its divisors is an integer number (748680).

Almost surely, 2^5390442 is an apocalyptic number.

5390442 is an abundant number, since it is smaller than the sum of its proper divisors (6588438).

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

5390442 is a wasteful number, since it uses less digits than its factorization.

5390442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99834 (or 99828 counting only the distinct ones).

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

The square root of 5390442 is about 2321.7325427361. The cubic root of 5390442 is about 175.3374929337.

It can be divided in two parts, 5390 and 442, that added together give a cube (5832 = 18³).

The spelling of 5390442 in words is "five million, three hundred ninety thousand, four hundred forty-two".