46923640 has 32 divisors (see below), whose sum is σ = 107314560. Its totient is φ = 18460800.

The previous prime is 46923631. The next prime is 46923647. The reversal of 46923640 is 4632964.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 46923596 and 46923605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46923647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7176 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (3353580).

Almost surely, 2^46923640 is an apocalyptic number.

46923640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46923640 is an abundant number, since it is smaller than the sum of its proper divisors (60390920).

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

46923640 is a wasteful number, since it uses less digits than its factorization.

46923640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303 (or 19299 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 46923640 is about 6850.0832111734. The cubic root of 46923640 is about 360.6870623883.

The spelling of 46923640 in words is "forty-six million, nine hundred twenty-three thousand, six hundred forty".