1690253327 has 8 divisors (see below), whose sum is σ = 1939416192. Its totient is φ = 1443015000.

The previous prime is 1690253311. The next prime is 1690253329. The reversal of 1690253327 is 7233520961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1690253327 - 2⁴ = 1690253311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690253329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479249 + ... + 482762.

It is an arithmetic number, because the mean of its divisors is an integer number (242427024).

Almost surely, 2^1690253327 is an apocalyptic number.

1690253327 is a deficient number, since it is larger than the sum of its proper divisors (249162865).

1690253327 is an equidigital number, since it uses as much as digits as its factorization.

1690253327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962269.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1690253327 is about 41112.6905833223. The cubic root of 1690253327 is about 1191.1979384998.

The spelling of 1690253327 in words is "one billion, six hundred ninety million, two hundred fifty-three thousand, three hundred twenty-seven".