1609401032 has 8 divisors (see below), whose sum is σ = 3017626950. Its totient is φ = 804700512.

The previous prime is 1609400983. The next prime is 1609401071. The reversal of 1609401032 is 2301049061.

It can be written as a sum of positive squares in only one way, i.e., 1001975716 + 607425316 = 31654^2 + 24646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1609400992 and 1609401010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100587557 + ... + 100587572.

Almost surely, 2^1609401032 is an apocalyptic number.

It is an amenable number.

1609401032 is a deficient number, since it is larger than the sum of its proper divisors (1408225918).

1609401032 is a wasteful number, since it uses less digits than its factorization.

1609401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201175135 (or 201175131 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1609401032 is about 40117.3407892398. The cubic root of 1609401032 is about 1171.8933553908.

The spelling of 1609401032 in words is "one billion, six hundred nine million, four hundred one thousand, thirty-two".