1690738094 has 16 divisors (see below), whose sum is σ = 2689975008. Its totient is φ = 794253312.

The previous prime is 1690738087. The next prime is 1690738103. The reversal of 1690738094 is 4908370961.

It is a congruent number.

It is an unprimeable number.

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, 23474 + ... + 62709.

It is an arithmetic number, because the mean of its divisors is an integer number (168123438).

Almost surely, 2^1690738094 is an apocalyptic number.

1690738094 is a deficient number, since it is larger than the sum of its proper divisors (999236914).

1690738094 is a wasteful number, since it uses less digits than its factorization.

1690738094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86779.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1690738094 is about 41118.5857490260. The cubic root of 1690738094 is about 1191.3118066886.

The spelling of 1690738094 in words is "one billion, six hundred ninety million, seven hundred thirty-eight thousand, ninety-four".