46986840 has 96 divisors (see below), whose sum is σ = 156012480. Its totient is φ = 12258816.

The previous prime is 46986839. The next prime is 46986847. The reversal of 46986840 is 4868964.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46986847) 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, 15532 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (1625130).

Almost surely, 2^46986840 is an apocalyptic number.

46986840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46986840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78006240).

46986840 is an abundant number, since it is smaller than the sum of its proper divisors (109025640).

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

46986840 is a wasteful number, since it uses less digits than its factorization.

46986840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 46986840 is about 6854.6947415622. The cubic root of 46986840 is about 360.8489224929.

The spelling of 46986840 in words is "forty-six million, nine hundred eighty-six thousand, eight hundred forty".