862846040 has 64 divisors (see below), whose sum is σ = 2241691200. Its totient is φ = 292773888.

The previous prime is 862846007. The next prime is 862846043. The reversal of 862846040 is 40648268.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 862845985 and 862846003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862846043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11276 + ... + 43044.

It is an arithmetic number, because the mean of its divisors is an integer number (35026425).

Almost surely, 2^862846040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862846040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120845600).

862846040 is an abundant number, since it is smaller than the sum of its proper divisors (1378845160).

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

862846040 is a wasteful number, since it uses less digits than its factorization.

862846040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31884 (or 31880 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 862846040 is about 29374.2410965798. The cubic root of 862846040 is about 952.0164151066.

The spelling of 862846040 in words is "eight hundred sixty-two million, eight hundred forty-six thousand, forty".