846131428 has 6 divisors (see below), whose sum is σ = 1480730006. Its totient is φ = 423065712.

The previous prime is 846131417. The next prime is 846131431. The reversal of 846131428 is 824131648.

It can be written as a sum of positive squares in only one way, i.e., 813504484 + 32626944 = 28522^2 + 5712^2 .

It is a super-3 number, since 3×846131428³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105766425 + ... + 105766432.

Almost surely, 2^846131428 is an apocalyptic number.

It is an amenable number.

846131428 is a deficient number, since it is larger than the sum of its proper divisors (634598578).

846131428 is a wasteful number, since it uses less digits than its factorization.

846131428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211532861 (or 211532859 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 846131428 is about 29088.3383506174. The cubic root of 846131428 is about 945.8289630845.

The spelling of 846131428 in words is "eight hundred forty-six million, one hundred thirty-one thousand, four hundred twenty-eight".