1609394086 has 4 divisors (see below), whose sum is σ = 2414091132. Its totient is φ = 804697042.

The previous prime is 1609394071. The next prime is 1609394113. The reversal of 1609394086 is 6804939061.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402348520 + ... + 402348523.

It is an arithmetic number, because the mean of its divisors is an integer number (603522783).

Almost surely, 2^1609394086 is an apocalyptic number.

1609394086 is a deficient number, since it is larger than the sum of its proper divisors (804697046).

1609394086 is an equidigital number, since it uses as much as digits as its factorization.

1609394086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804697045.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1609394086 is about 40117.2542181042. The cubic root of 1609394086 is about 1171.8916694669.

It can be divided in two parts, 160939 and 4086, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 1609394086 in words is "one billion, six hundred nine million, three hundred ninety-four thousand, eighty-six".