940890 has 32 divisors (see below), whose sum is σ = 2292480. Its totient is φ = 247104.

The previous prime is 940889. The next prime is 940903. The reversal of 940890 is 98049.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 940890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (71640).

2⁹⁴⁰⁸⁹⁰ is an apocalyptic number.

940890 is an abundant number, since it is smaller than the sum of its proper divisors (1351590).

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

940890 is a wasteful number, since it uses less digits than its factorization.

940890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 940890 is about 969.9948453471. The cubic root of 940890 is about 97.9895171350.

It can be divided in two parts, 940 and 890, that added together give a triangular number (1830 = T₆₀).

The spelling of 940890 in words is "nine hundred forty thousand, eight hundred ninety".