46428238 has 4 divisors (see below), whose sum is σ = 69642360. Its totient is φ = 23214118.

The previous prime is 46428227. The next prime is 46428269. The reversal of 46428238 is 83282464.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 46428197 and 46428206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607058 + ... + 11607061.

It is an arithmetic number, because the mean of its divisors is an integer number (17410590).

Almost surely, 2^46428238 is an apocalyptic number.

46428238 is a deficient number, since it is larger than the sum of its proper divisors (23214122).

46428238 is a wasteful number, since it uses less digits than its factorization.

46428238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214121.

The product of its digits is 73728, while the sum is 37.

The square root of 46428238 is about 6813.8269716805. The cubic root of 46428238 is about 359.4132365415.

It can be divided in two parts, 4642 and 8238, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 46428238 in words is "forty-six million, four hundred twenty-eight thousand, two hundred thirty-eight".