46815420 has 24 divisors (see below), whose sum is σ = 131083344. Its totient is φ = 12484096.

The previous prime is 46815407. The next prime is 46815421. The reversal of 46815420 is 2451864.

46815420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46815421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390069 + ... + 390188.

It is an arithmetic number, because the mean of its divisors is an integer number (5461806).

Almost surely, 2^46815420 is an apocalyptic number.

It is an amenable number.

46815420 is an abundant number, since it is smaller than the sum of its proper divisors (84267924).

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

46815420 is a wasteful number, since it uses less digits than its factorization.

46815420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780269 (or 780267 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 46815420 is about 6842.1794773303. The cubic root of 46815420 is about 360.4095647340.

It can be divided in two parts, 4681 and 5420, that added together give a palindrome (10101).

The spelling of 46815420 in words is "forty-six million, eight hundred fifteen thousand, four hundred twenty".