736861853 has 12 divisors (see below), whose sum is σ = 923102460. Its totient is φ = 583011072.

The previous prime is 736861849. The next prime is 736861861. The reversal of 736861853 is 358168637.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 218980804 + 517881049 = 14798^2 + 22757^2 .

It is not a de Polignac number, because 736861853 - 2² = 736861849 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 736861798 and 736861807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736864853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577748 + ... + 579021.

It is an arithmetic number, because the mean of its divisors is an integer number (76925205).

Almost surely, 2^736861853 is an apocalyptic number.

It is an amenable number.

736861853 is a deficient number, since it is larger than the sum of its proper divisors (186240607).

736861853 is a wasteful number, since it uses less digits than its factorization.

736861853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156796 (or 1156789 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 736861853 is about 27145.1994466793. The cubic root of 736861853 is about 903.2237692340.

The spelling of 736861853 in words is "seven hundred thirty-six million, eight hundred sixty-one thousand, eight hundred fifty-three".