46016821 has 4 divisors (see below), whose sum is σ = 46209600. Its totient is φ = 45824044.

The previous prime is 46016819. The next prime is 46016843. The reversal of 46016821 is 12861064.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46016821 - 2¹ = 46016819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46016821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46016891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96031 + ... + 96508.

It is an arithmetic number, because the mean of its divisors is an integer number (11552400).

Almost surely, 2^46016821 is an apocalyptic number.

It is an amenable number.

46016821 is a deficient number, since it is larger than the sum of its proper divisors (192779).

46016821 is a wasteful number, since it uses less digits than its factorization.

46016821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192778.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 46016821 is about 6783.5699303538. The cubic root of 46016821 is about 358.3484560170.

Adding to 46016821 its reverse (12861064), we get a palindrome (58877885).

The spelling of 46016821 in words is "forty-six million, sixteen thousand, eight hundred twenty-one".