46389780 has 96 divisors (see below), whose sum is σ = 145313280. Its totient is φ = 12286080.

The previous prime is 46389769. The next prime is 46389793. The reversal of 46389780 is 8798364.

It is a happy number.

46389780 is a `hidden beast` number, since 4 + 638 + 9 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146182 + ... + 146498.

It is an arithmetic number, because the mean of its divisors is an integer number (1513680).

Almost surely, 2^46389780 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 46389780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72656640).

46389780 is an abundant number, since it is smaller than the sum of its proper divisors (98923500).

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

46389780 is a wasteful number, since it uses less digits than its factorization.

46389780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 46389780 is about 6811.0043312275. The cubic root of 46389780 is about 359.3139712877.

The spelling of 46389780 in words is "forty-six million, three hundred eighty-nine thousand, seven hundred eighty".