46400238 has 12 divisors (see below), whose sum is σ = 100533888. Its totient is φ = 15466740.

The previous prime is 46400231. The next prime is 46400297. The reversal of 46400238 is 83200464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46400231) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1288878 + ... + 1288913.

It is an arithmetic number, because the mean of its divisors is an integer number (8377824).

Almost surely, 2^46400238 is an apocalyptic number.

46400238 is an abundant number, since it is smaller than the sum of its proper divisors (54133650).

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

46400238 is a wasteful number, since it uses less digits than its factorization.

46400238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577799 (or 2577796 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 46400238 is about 6811.7720161497. The cubic root of 46400238 is about 359.3409702170.

The spelling of 46400238 in words is "forty-six million, four hundred thousand, two hundred thirty-eight".