46491620 has 48 divisors (see below), whose sum is σ = 112952448. Its totient is φ = 15744000.

The previous prime is 46491619. The next prime is 46491623. The reversal of 46491620 is 2619464.

It is a happy number.

It is a super-2 number, since 2×46491620² = 4322941460448800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (46491623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9620 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (2353176).

Almost surely, 2^46491620 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 46491620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56476224).

46491620 is an abundant number, since it is smaller than the sum of its proper divisors (66460828).

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

46491620 is a wasteful number, since it uses less digits than its factorization.

46491620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 46491620 is about 6818.4763693951. The cubic root of 46491620 is about 359.5767144329.

The spelling of 46491620 in words is "forty-six million, four hundred ninety-one thousand, six hundred twenty".