5400890 has 32 divisors (see below), whose sum is σ = 10900224. Its totient is φ = 1909440.

The previous prime is 5400881. The next prime is 5400949. The reversal of 5400890 is 980045.

It is a super-2 number, since 2×5400890² = 58339225584200, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3407 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (340632).

Almost surely, 2^5400890 is an apocalyptic number.

5400890 is an abundant number, since it is smaller than the sum of its proper divisors (5499334).

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

5400890 is a wasteful number, since it uses less digits than its factorization.

5400890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 5400890 is about 2323.9814973446. The cubic root of 5400890 is about 175.4507021921.

The spelling of 5400890 in words is "five million, four hundred thousand, eight hundred ninety".