1690906098 has 32 divisors (see below), whose sum is σ = 3989606400. Its totient is φ = 467531280.

The previous prime is 1690906097. The next prime is 1690906177. The reversal of 1690906098 is 8906090961.

1690906098 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1690906097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648048 + ... + 650651.

It is an arithmetic number, because the mean of its divisors is an integer number (124675200).

Almost surely, 2^1690906098 is an apocalyptic number.

1690906098 is an abundant number, since it is smaller than the sum of its proper divisors (2298700302).

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

1690906098 is a wasteful number, since it uses less digits than its factorization.

1690906098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298742.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 1690906098 is about 41120.6286187359. The cubic root of 1690906098 is about 1191.3512645090.

The spelling of 1690906098 in words is "one billion, six hundred ninety million, nine hundred six thousand, ninety-eight".