1690408200 has 96 divisors (see below), whose sum is σ = 5643388800. Its totient is φ = 416098560.

The previous prime is 1690408193. The next prime is 1690408201. The reversal of 1690408200 is 28040961.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1690408201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100560 + ... + 116159.

It is an arithmetic number, because the mean of its divisors is an integer number (58785300).

Almost surely, 2^1690408200 is an apocalyptic number.

1690408200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690408200 is an abundant number, since it is smaller than the sum of its proper divisors (3952980600).

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

1690408200 is a wasteful number, since it uses less digits than its factorization.

1690408200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216751 (or 216742 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1690408200 is about 41114.5740583555. The cubic root of 1690408200 is about 1191.2343193904.

The spelling of 1690408200 in words is "one billion, six hundred ninety million, four hundred eight thousand, two hundred".