846243900 has 54 divisors (see below), whose sum is σ = 2652507312. Its totient is φ = 225664800.

The previous prime is 846243823. The next prime is 846243917. The reversal of 846243900 is 9342648.

It is a happy number.

It is a super-2 number, since 2×846243900² = 1432257476574420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 469236 + ... + 471035.

Almost surely, 2^846243900 is an apocalyptic number.

It is an amenable number.

846243900 is an abundant number, since it is smaller than the sum of its proper divisors (1806263412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846243900 is a wasteful number, since it uses less digits than its factorization.

846243900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940291 (or 940281 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 846243900 is about 29090.2715697190. The cubic root of 846243900 is about 945.8708693253.

The spelling of 846243900 in words is "eight hundred forty-six million, two hundred forty-three thousand, nine hundred".