1908604532 has 6 divisors (see below), whose sum is σ = 3340057938. Its totient is φ = 954302264.

The previous prime is 1908604531. The next prime is 1908604541. The reversal of 1908604532 is 2354068091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1619740516 + 288864016 = 40246^2 + 16996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1908604531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238575563 + ... + 238575570.

It is an arithmetic number, because the mean of its divisors is an integer number (556676323).

Almost surely, 2^1908604532 is an apocalyptic number.

It is an amenable number.

1908604532 is a deficient number, since it is larger than the sum of its proper divisors (1431453406).

1908604532 is a wasteful number, since it uses less digits than its factorization.

1908604532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477151137 (or 477151135 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1908604532 is about 43687.5786923469. The cubic root of 1908604532 is about 1240.4292071252.

The spelling of 1908604532 in words is "one billion, nine hundred eight million, six hundred four thousand, five hundred thirty-two".