862321916 has 48 divisors (see below), whose sum is σ = 1645163520. Its totient is φ = 393984000.

The previous prime is 862321907. The next prime is 862321927. The reversal of 862321916 is 619123268.

It is a happy number.

It is a super-2 number, since 2×862321916² = 1487198173627822112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 862321916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344956 + ... + 1345596.

It is an arithmetic number, because the mean of its divisors is an integer number (34274240).

Almost surely, 2^862321916 is an apocalyptic number.

It is an amenable number.

862321916 is a deficient number, since it is larger than the sum of its proper divisors (782841604).

862321916 is a wasteful number, since it uses less digits than its factorization.

862321916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1264 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 862321916 is about 29365.3182512977. The cubic root of 862321916 is about 951.8236129557.

The spelling of 862321916 in words is "eight hundred sixty-two million, three hundred twenty-one thousand, nine hundred sixteen".