46085821 has 4 divisors (see below), whose sum is σ = 46361952. Its totient is φ = 45809692.

The previous prime is 46085801. The next prime is 46085839. The reversal of 46085821 is 12858064.

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 46085821 - 2⁷ = 46085693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46085801) 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, 137815 + ... + 138148.

It is an arithmetic number, because the mean of its divisors is an integer number (11590488).

Almost surely, 2^46085821 is an apocalyptic number.

It is an amenable number.

46085821 is a deficient number, since it is larger than the sum of its proper divisors (276131).

46085821 is a wasteful number, since it uses less digits than its factorization.

46085821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276130.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 46085821 is about 6788.6538429942. The cubic root of 46085821 is about 358.5274753025.

The spelling of 46085821 in words is "forty-six million, eighty-five thousand, eight hundred twenty-one".