46840 has 16 divisors (see below), whose sum is σ = 105480. Its totient is φ = 18720.

The previous prime is 46831. The next prime is 46853. The reversal of 46840 is 4864.

46840 = T₂₇ + T₂₈ + ... + T₆₆.

It is a congruent number.

It is an unprimeable number.

46840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546 + ... + 625.

2⁴⁶⁸⁴⁰ is an apocalyptic number.

46840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46840 is an abundant number, since it is smaller than the sum of its proper divisors (58640).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52740).

46840 is a wasteful number, since it uses less digits than its factorization.

46840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 46840 is about 216.4255068147. The cubic root of 46840 is about 36.0472630259.

The spelling of 46840 in words is "forty-six thousand, eight hundred forty".