946521 has 12 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 627000.

The previous prime is 946513. The next prime is 946549. The reversal of 946521 is 125649.

946521 is a `hidden beast` number, since 9 + 4 + 652 + 1 = 666.

It is not a de Polignac number, because 946521 - 2³ = 946513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (946511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

2⁹⁴⁶⁵²¹ is an apocalyptic number.

It is an amenable number.

946521 is a deficient number, since it is larger than the sum of its proper divisors (429399).

946521 is a wasteful number, since it uses less digits than its factorization.

946521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 946521 is about 972.8931082087. The cubic root of 946521 is about 98.1846096756.

It can be divided in two parts, 9465 and 21, that multiplied together give a triangular number (198765 = T₆₃₀).

The spelling of 946521 in words is "nine hundred forty-six thousand, five hundred twenty-one".