1690483460 has 24 divisors (see below), whose sum is σ = 3585168216. Its totient is φ = 669497600.

The previous prime is 1690483441. The next prime is 1690483469. The reversal of 1690483460 is 643840961.

It can be written as a sum of positive squares in 4 ways, for example, as 842392576 + 848090884 = 29024^2 + 29122^2 .

It is not an unprimeable number, because it can be changed into a prime (1690483469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416417 + ... + 420456.

It is an arithmetic number, because the mean of its divisors is an integer number (149382009).

Almost surely, 2^1690483460 is an apocalyptic number.

1690483460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690483460 is an abundant number, since it is smaller than the sum of its proper divisors (1894684756).

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

1690483460 is a wasteful number, since it uses less digits than its factorization.

1690483460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836983 (or 836981 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1690483460 is about 41115.4892953982. The cubic root of 1690483460 is about 1191.2519977563.

The spelling of 1690483460 in words is "one billion, six hundred ninety million, four hundred eighty-three thousand, four hundred sixty".