1696406290 has 32 divisors (see below), whose sum is σ = 3095910720. Its totient is φ = 669175104.

The previous prime is 1696406249. The next prime is 1696406293. The reversal of 1696406290 is 926046961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1696406293) 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, 560401 + ... + 563419.

It is an arithmetic number, because the mean of its divisors is an integer number (96747210).

Almost surely, 2^1696406290 is an apocalyptic number.

1696406290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1696406290 is a deficient number, since it is larger than the sum of its proper divisors (1399504430).

1696406290 is a wasteful number, since it uses less digits than its factorization.

1696406290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1696406290 is about 41187.4530652236. The cubic root of 1696406290 is about 1192.6416118688.

The spelling of 1696406290 in words is "one billion, six hundred ninety-six million, four hundred six thousand, two hundred ninety".