690230048 has 12 divisors (see below), whose sum is σ = 1358890470. Its totient is φ = 345115008.

The previous prime is 690230041. The next prime is 690230063. The reversal of 690230048 is 840032096.

It can be written as a sum of positive squares in only one way, i.e., 501222544 + 189007504 = 22388^2 + 13748^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 21569689 = 690230048 / (6 + 9 + 0 + 2 + 3 + 0 + 0 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 690229996 and 690230023.

It is not an unprimeable number, because it can be changed into a prime (690230041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10784813 + ... + 10784876.

Almost surely, 2^690230048 is an apocalyptic number.

It is an amenable number.

690230048 is a deficient number, since it is larger than the sum of its proper divisors (668660422).

690230048 is a wasteful number, since it uses less digits than its factorization.

690230048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21569699 (or 21569691 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 690230048 is about 26272.2295970479. The cubic root of 690230048 is about 883.7537857738.

The spelling of 690230048 in words is "six hundred ninety million, two hundred thirty thousand, forty-eight".