46478190 has 64 divisors (see below), whose sum is σ = 122757120. Its totient is φ = 11168640.

The previous prime is 46478189. The next prime is 46478197. The reversal of 46478190 is 9187464.

It is a happy number.

It is a super-4 number, since 4×46478190⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46478197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41356 + ... + 42464.

It is an arithmetic number, because the mean of its divisors is an integer number (1918080).

Almost surely, 2^46478190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46478190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61378560).

46478190 is an abundant number, since it is smaller than the sum of its proper divisors (76278930).

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

46478190 is a wasteful number, since it uses less digits than its factorization.

46478190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 46478190 is about 6817.4914741421. The cubic root of 46478190 is about 359.5420875450.

The spelling of 46478190 in words is "forty-six million, four hundred seventy-eight thousand, one hundred ninety".