1690324652 has 12 divisors (see below), whose sum is σ = 2958380880. Its totient is φ = 845072976.

The previous prime is 1690324633. The next prime is 1690324673. The reversal of 1690324652 is 2564230961.

It is a super-2 number, since 2×1690324652² = 5714394858317842208, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38849 + ... + 69927.

It is an arithmetic number, because the mean of its divisors is an integer number (246531740).

Almost surely, 2^1690324652 is an apocalyptic number.

It is an amenable number.

1690324652 is a deficient number, since it is larger than the sum of its proper divisors (1268056228).

1690324652 is a wasteful number, since it uses less digits than its factorization.

1690324652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44680 (or 44678 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1690324652 is about 41113.5580070614. The cubic root of 1690324652 is about 1191.2146935815.

The spelling of 1690324652 in words is "one billion, six hundred ninety million, three hundred twenty-four thousand, six hundred fifty-two".