5420090 has 32 divisors (see below), whose sum is σ = 10611216. Its totient is φ = 1981440.

The previous prime is 5420089. The next prime is 5420101. The reversal of 5420090 is 900245.

It can be written as a sum of positive squares in 8 ways, for example, as 3279721 + 2140369 = 1811^2 + 1463^2 .

It is a congruent 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, 22370 + ... + 22610.

Almost surely, 2^5420090 is an apocalyptic number.

5420090 is a deficient number, since it is larger than the sum of its proper divisors (5191126).

5420090 is a wasteful number, since it uses less digits than its factorization.

5420090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5420090 is about 2328.1086744394. The cubic root of 5420090 is about 175.6583636163.

The spelling of 5420090 in words is "five million, four hundred twenty thousand, ninety".