46320390 has 64 divisors (see below), whose sum is σ = 128908800. Its totient is φ = 11813472.

The previous prime is 46320371. The next prime is 46320397. The reversal of 46320390 is 9302364.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46320397) 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 31 ways as a sum of consecutive naturals, for example, 2481 + ... + 9939.

It is an arithmetic number, because the mean of its divisors is an integer number (2014200).

Almost surely, 2^46320390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46320390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64454400).

46320390 is an abundant number, since it is smaller than the sum of its proper divisors (82588410).

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

46320390 is a wasteful number, since it uses less digits than its factorization.

46320390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7498 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 46320390 is about 6805.9084625052. The cubic root of 46320390 is about 359.1347275093.

The spelling of 46320390 in words is "forty-six million, three hundred twenty thousand, three hundred ninety".