846705381 has 4 divisors (see below), whose sum is σ = 1128940512. Its totient is φ = 564470252.

The previous prime is 846705367. The next prime is 846705403. The reversal of 846705381 is 183507648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 846705381 - 2⁷ = 846705253 is a prime.

It is a super-2 number, since 2×846705381² = 1433820004428710322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846705311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141117561 + ... + 141117566.

It is an arithmetic number, because the mean of its divisors is an integer number (282235128).

Almost surely, 2^846705381 is an apocalyptic number.

It is an amenable number.

846705381 is a deficient number, since it is larger than the sum of its proper divisors (282235131).

846705381 is a wasteful number, since it uses less digits than its factorization.

846705381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282235130.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 846705381 is about 29098.2023671566. The cubic root of 846705381 is about 946.0427748926.

The spelling of 846705381 in words is "eight hundred forty-six million, seven hundred five thousand, three hundred eighty-one".