46843940 has 72 divisors (see below), whose sum is σ = 116523960. Its totient is φ = 15713280.

The previous prime is 46843931. The next prime is 46843943. The reversal of 46843940 is 4934864.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 46812964 = 176^2 + 6842^2 .

It is a junction number, because it is equal to n+sod(n) for n = 46843894 and 46843903.

It is not an unprimeable number, because it can be changed into a prime (46843943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30716 + ... + 32204.

Almost surely, 2^46843940 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 46843940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58261980).

46843940 is an abundant number, since it is smaller than the sum of its proper divisors (69680020).

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

46843940 is a wasteful number, since it uses less digits than its factorization.

46843940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 46843940 is about 6844.2632912535. The cubic root of 46843940 is about 360.4827371644.

The spelling of 46843940 in words is "forty-six million, eight hundred forty-three thousand, nine hundred forty".