862738044 has 24 divisors (see below), whose sum is σ = 2300635008. Its totient is φ = 246496560.

The previous prime is 862738043. The next prime is 862738087. The reversal of 862738044 is 440837268.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 862737987 and 862738005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862738043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135262 + ... + 5135429.

It is an arithmetic number, because the mean of its divisors is an integer number (95859792).

Almost surely, 2^862738044 is an apocalyptic number.

862738044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

862738044 is an abundant number, since it is smaller than the sum of its proper divisors (1437896964).

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

862738044 is a wasteful number, since it uses less digits than its factorization.

862738044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10270705 (or 10270703 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 862738044 is about 29372.4027617762. The cubic root of 862738044 is about 951.9766945193.

The spelling of 862738044 in words is "eight hundred sixty-two million, seven hundred thirty-eight thousand, forty-four".