1604434492 has 12 divisors (see below), whose sum is σ = 2815094016. Its totient is φ = 800121920.

The previous prime is 1604434487. The next prime is 1604434493. The reversal of 1604434492 is 2944344061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604434493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522109 + ... + 525172.

It is an arithmetic number, because the mean of its divisors is an integer number (234591168).

Almost surely, 2^1604434492 is an apocalyptic number.

It is an amenable number.

1604434492 is a deficient number, since it is larger than the sum of its proper divisors (1210659524).

1604434492 is a wasteful number, since it uses less digits than its factorization.

1604434492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047668 (or 1047666 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1604434492 is about 40055.3927954776. The cubic root of 1604434492 is about 1170.6866429947.

The spelling of 1604434492 in words is "one billion, six hundred four million, four hundred thirty-four thousand, four hundred ninety-two".