46439388 has 72 divisors (see below), whose sum is σ = 122181696. Its totient is φ = 14860800.

The previous prime is 46439383. The next prime is 46439417. The reversal of 46439388 is 88393464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46439383) 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, 107533 + ... + 107963.

It is an arithmetic number, because the mean of its divisors is an integer number (1696968).

Almost surely, 2^46439388 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 46439388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61090848).

46439388 is an abundant number, since it is smaller than the sum of its proper divisors (75742308).

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

46439388 is a wasteful number, since it uses less digits than its factorization.

46439388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 550 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 46439388 is about 6814.6451118162. The cubic root of 46439388 is about 359.4420059356.

The spelling of 46439388 in words is "forty-six million, four hundred thirty-nine thousand, three hundred eighty-eight".