862497652 has 12 divisors (see below), whose sum is σ = 1598157540. Its totient is φ = 405881216.

The previous prime is 862497637. The next prime is 862497661. The reversal of 862497652 is 256794268.

It can be written as a sum of positive squares in 2 ways, for example, as 346480996 + 516016656 = 18614^2 + 22716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 862497596 and 862497605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6341827 + ... + 6341962.

It is an arithmetic number, because the mean of its divisors is an integer number (133179795).

Almost surely, 2^862497652 is an apocalyptic number.

It is an amenable number.

862497652 is a deficient number, since it is larger than the sum of its proper divisors (735659888).

862497652 is a wasteful number, since it uses less digits than its factorization.

862497652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683810 (or 12683808 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 862497652 is about 29368.3103361429. The cubic root of 862497652 is about 951.8882671990. Note that the first 3 decimals are identical.

It can be divided in two parts, 8624 and 97652, that added together give a square (106276 = 326²).

The spelling of 862497652 in words is "eight hundred sixty-two million, four hundred ninety-seven thousand, six hundred fifty-two".