5406390 has 96 divisors (see below), whose sum is σ = 15814656. Its totient is φ = 1270080.

The previous prime is 5406377. The next prime is 5406397. The reversal of 5406390 is 936045.

5406390 = T₁₀₈ + T₁₀₉ + ... + T₃₂₂.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42507 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

Almost surely, 2^5406390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5406390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7907328).

5406390 is an abundant number, since it is smaller than the sum of its proper divisors (10408266).

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

5406390 is a wasteful number, since it uses less digits than its factorization.

5406390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 5406390 is about 2325.1645103089. The cubic root of 5406390 is about 175.5102387676.

The spelling of 5406390 in words is "five million, four hundred six thousand, three hundred ninety".