46447438 has 16 divisors (see below), whose sum is σ = 74056320. Its totient is φ = 21785976.

The previous prime is 46447433. The next prime is 46447441. The reversal of 46447438 is 83474464.

It is a self number, because there is not a number n which added to its sum of digits gives 46447438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46447433) 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, 2020 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (4628520).

Almost surely, 2^46447438 is an apocalyptic number.

46447438 is a deficient number, since it is larger than the sum of its proper divisors (27608882).

46447438 is a wasteful number, since it uses less digits than its factorization.

46447438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991.

The product of its digits is 258048, while the sum is 40.

The square root of 46447438 is about 6815.2357259305. The cubic root of 46447438 is about 359.4627738017.

The spelling of 46447438 in words is "forty-six million, four hundred forty-seven thousand, four hundred thirty-eight".