46278388 has 24 divisors (see below), whose sum is σ = 87430112. Its totient is φ = 21307104.

The previous prime is 46278377. The next prime is 46278389. The reversal of 46278388 is 88387264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46278389) 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, 27631 + ... + 29257.

Almost surely, 2^46278388 is an apocalyptic number.

It is an amenable number.

46278388 is a deficient number, since it is larger than the sum of its proper divisors (41151724).

46278388 is a wasteful number, since it uses less digits than its factorization.

46278388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 46278388 is about 6802.8220614683. The cubic root of 46278388 is about 359.0261436619.

The spelling of 46278388 in words is "forty-six million, two hundred seventy-eight thousand, three hundred eighty-eight".