2021604248 has 8 divisors (see below), whose sum is σ = 3790507980. Its totient is φ = 1010802120.

The previous prime is 2021604227. The next prime is 2021604259. The reversal of 2021604248 is 8424061202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2021604248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126350258 + ... + 126350273.

Almost surely, 2^2021604248 is an apocalyptic number.

It is an amenable number.

2021604248 is a deficient number, since it is larger than the sum of its proper divisors (1768903732).

2021604248 is a wasteful number, since it uses less digits than its factorization.

2021604248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252700537 (or 252700533 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2021604248 is about 44962.2535912069. The cubic root of 2021604248 is about 1264.4414200275.

The spelling of 2021604248 in words is "two billion, twenty-one million, six hundred four thousand, two hundred forty-eight".