46278432 has 96 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 14886144.

The previous prime is 46278431. The next prime is 46278451. The reversal of 46278432 is 23487264.

It is a tau number, because it is divible by the number of its divisors (96).

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 Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46278431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24133 + ... + 25979.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^46278432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46278432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69854400).

46278432 is an abundant number, since it is smaller than the sum of its proper divisors (93430368).

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

46278432 is a wasteful number, since it uses less digits than its factorization.

46278432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1881 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 46278432 is about 6802.8252954195. The cubic root of 46278432 is about 359.0262574453.

The spelling of 46278432 in words is "forty-six million, two hundred seventy-eight thousand, four hundred thirty-two".