456940 has 48 divisors (see below), whose sum is σ = 1096704. Its totient is φ = 158400.

The previous prime is 456923. The next prime is 456949. The reversal of 456940 is 49654.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 456899 and 456908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 6853.

It is an arithmetic number, because the mean of its divisors is an integer number (22848).

2⁴⁵⁶⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 456940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548352).

456940 is an abundant number, since it is smaller than the sum of its proper divisors (639764).

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

456940 is a wasteful number, since it uses less digits than its factorization.

456940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 456940 is about 675.9733722566. The cubic root of 456940 is about 77.0228750836.

The spelling of 456940 in words is "four hundred fifty-six thousand, nine hundred forty".