46078989 has 24 divisors (see below), whose sum is σ = 69303456. Its totient is φ = 27007200.

The previous prime is 46078969. The next prime is 46079053. The reversal of 46078989 is 98987064.

It is a happy number.

It is not a de Polignac number, because 46078989 - 2²⁰ = 45030413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46078919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30987 + ... + 32439.

It is an arithmetic number, because the mean of its divisors is an integer number (2887644).

Almost surely, 2^46078989 is an apocalyptic number.

It is an amenable number.

46078989 is a deficient number, since it is larger than the sum of its proper divisors (23224467).

46078989 is a wasteful number, since it uses less digits than its factorization.

46078989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 46078989 is about 6788.1506317995. The cubic root of 46078989 is about 358.5097577724.

The spelling of 46078989 in words is "forty-six million, seventy-eight thousand, nine hundred eighty-nine".