863387052 has 48 divisors (see below), whose sum is σ = 2199590400. Its totient is φ = 261408960.

The previous prime is 863387033. The next prime is 863387069. The reversal of 863387052 is 250783368.

It is a super-2 number, since 2×863387052² = 1490874403122501408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 863386995 and 863387013.

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, 218349 + ... + 222267.

It is an arithmetic number, because the mean of its divisors is an integer number (45824800).

Almost surely, 2^863387052 is an apocalyptic number.

It is an amenable number.

863387052 is an abundant number, since it is smaller than the sum of its proper divisors (1336203348).

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

863387052 is a wasteful number, since it uses less digits than its factorization.

863387052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606 (or 5604 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 863387052 is about 29383.4486063158. The cubic root of 863387052 is about 952.2153477362.

The spelling of 863387052 in words is "eight hundred sixty-three million, three hundred eighty-seven thousand, fifty-two".