541890 has 48 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 143856.

The previous prime is 541889. The next prime is 541901. The reversal of 541890 is 98145.

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

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 541890.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2319 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2⁵⁴¹⁸⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733824).

541890 is an abundant number, since it is smaller than the sum of its proper divisors (925758).

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

541890 is a wasteful number, since it uses less digits than its factorization.

541890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 541890 is about 736.1317816804. The cubic root of 541890 is about 81.5274224907.

It can be divided in two parts, 541 and 890, that added together give a triangular number (1431 = T₅₃).

The spelling of 541890 in words is "five hundred forty-one thousand, eight hundred ninety".