846402621 has 8 divisors (see below), whose sum is σ = 1130398464. Its totient is φ = 563337600.

The previous prime is 846402619. The next prime is 846402637. The reversal of 846402621 is 126204648.

846402621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 846402621 - 2¹ = 846402619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846402721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230580 + ... + 234221.

It is an arithmetic number, because the mean of its divisors is an integer number (141299808).

Almost surely, 2^846402621 is an apocalyptic number.

It is an amenable number.

846402621 is a deficient number, since it is larger than the sum of its proper divisors (283995843).

846402621 is a wasteful number, since it uses less digits than its factorization.

846402621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465411.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 846402621 is about 29092.9995187846. Note that the first 3 decimals coincide. The cubic root of 846402621 is about 945.9300012868.

The spelling of 846402621 in words is "eight hundred forty-six million, four hundred two thousand, six hundred twenty-one".