1690008814 has 16 divisors (see below), whose sum is σ = 2824153920. Its totient is φ = 753107040.

The previous prime is 1690008769. The next prime is 1690008821. The reversal of 1690008814 is 4188000961.

It is a happy number.

It is a super-2 number, since 2×1690008814² = 5712259582795373192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119942 + ... + 1121449.

It is an arithmetic number, because the mean of its divisors is an integer number (176509620).

Almost surely, 2^1690008814 is an apocalyptic number.

1690008814 is a deficient number, since it is larger than the sum of its proper divisors (1134145106).

1690008814 is a wasteful number, since it uses less digits than its factorization.

1690008814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241435.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1690008814 is about 41109.7167832618. The cubic root of 1690008814 is about 1191.1404959412.

The spelling of 1690008814 in words is "one billion, six hundred ninety million, eight thousand, eight hundred fourteen".