46401489 has 12 divisors (see below), whose sum is σ = 67515396. Its totient is φ = 30707712.

The previous prime is 46401473. The next prime is 46401491. The reversal of 46401489 is 98410464.

It is a happy number.

46401489 is a `hidden beast` number, since 4 + 640 + 1 + 4 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19184400 + 27217089 = 4380^2 + 5217^2 .

It is not a de Polignac number, because 46401489 - 2⁴ = 46401473 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46401689) 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 11 ways as a sum of consecutive naturals, for example, 17584 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (5626283).

Almost surely, 2^46401489 is an apocalyptic number.

It is an amenable number.

46401489 is a deficient number, since it is larger than the sum of its proper divisors (21113907).

46401489 is a wasteful number, since it uses less digits than its factorization.

46401489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37776 (or 37773 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 46401489 is about 6811.8638418571. The cubic root of 46401489 is about 359.3441995935.

The spelling of 46401489 in words is "forty-six million, four hundred one thousand, four hundred eighty-nine".