46021530 has 16 divisors (see below), whose sum is σ = 110451744. Its totient is φ = 12272400.

The previous prime is 46021513. The next prime is 46021531. The reversal of 46021530 is 3512064.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 46021497 and 46021506.

It is not an unprimeable number, because it can be changed into a prime (46021531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766996 + ... + 767055.

It is an arithmetic number, because the mean of its divisors is an integer number (6903234).

Almost surely, 2^46021530 is an apocalyptic number.

46021530 is an abundant number, since it is smaller than the sum of its proper divisors (64430214).

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

46021530 is a wasteful number, since it uses less digits than its factorization.

46021530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534061.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 46021530 is about 6783.9170101056. The cubic root of 46021530 is about 358.3606791221.

Adding to 46021530 its reverse (3512064), we get a palindrome (49533594).

The spelling of 46021530 in words is "forty-six million, twenty-one thousand, five hundred thirty".