690115348 has 18 divisors (see below), whose sum is σ = 1300959114. Its totient is φ = 318427344.

The previous prime is 690115339. The next prime is 690115351. The reversal of 690115348 is 843511096.

It can be written as a sum of positive squares in only one way, i.e., 477772164 + 212343184 = 21858^2 + 14572^2 .

It is a super-2 number, since 2×690115348² = 952518387090322208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187615 + ... + 191257.

Almost surely, 2^690115348 is an apocalyptic number.

It is an amenable number.

690115348 is a deficient number, since it is larger than the sum of its proper divisors (610843766).

690115348 is an equidigital number, since it uses as much as digits as its factorization.

690115348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 690115348 is about 26270.0465930306. The cubic root of 690115348 is about 883.7048300307.

The spelling of 690115348 in words is "six hundred ninety million, one hundred fifteen thousand, three hundred forty-eight".