1690828746 has 16 divisors (see below), whose sum is σ = 3386781408. Its totient is φ = 562755600.

The previous prime is 1690828717. The next prime is 1690828747. The reversal of 1690828746 is 6478280961.

It is not an unprimeable number, because it can be changed into a prime (1690828747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209200 + ... + 217131.

It is an arithmetic number, because the mean of its divisors is an integer number (211673838).

Almost surely, 2^1690828746 is an apocalyptic number.

1690828746 is an abundant number, since it is smaller than the sum of its proper divisors (1695952662).

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

1690828746 is a wasteful number, since it uses less digits than its factorization.

1690828746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426997.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1690828746 is about 41119.6880581553. The cubic root of 1690828746 is about 1191.3330977583. Note that the first 3 decimals are identical.

It can be divided in two parts, 16908 and 28746, that added together give a palindrome (45654).

The spelling of 1690828746 in words is "one billion, six hundred ninety million, eight hundred twenty-eight thousand, seven hundred forty-six".