46042821 has 12 divisors (see below), whose sum is σ = 72552480. Its totient is φ = 27904680.

The previous prime is 46042813. The next prime is 46042831. The reversal of 46042821 is 12824064.

It is not a de Polignac number, because 46042821 - 2³ = 46042813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46042811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232441 + ... + 232638.

It is an arithmetic number, because the mean of its divisors is an integer number (6046040).

Almost surely, 2^46042821 is an apocalyptic number.

It is an amenable number.

46042821 is a deficient number, since it is larger than the sum of its proper divisors (26509659).

46042821 is a wasteful number, since it uses less digits than its factorization.

46042821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465096 (or 465093 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 46042821 is about 6785.4860548085. The cubic root of 46042821 is about 358.4159335572.

Adding to 46042821 its reverse (12824064), we get a palindrome (58866885).

The spelling of 46042821 in words is "forty-six million, forty-two thousand, eight hundred twenty-one".