155604396 has 48 divisors (see below), whose sum is σ = 374220000. Its totient is φ = 50299392.

The previous prime is 155604377. The next prime is 155604409. The reversal of 155604396 is 693406551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55230 + ... + 57978.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^155604396 is an apocalyptic number.

It is an amenable number.

155604396 is an abundant number, since it is smaller than the sum of its proper divisors (218615604).

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

155604396 is a wasteful number, since it uses less digits than its factorization.

155604396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 155604396 is about 12474.1491092579. The cubic root of 155604396 is about 537.8658289080.

The spelling of 155604396 in words is "one hundred fifty-five million, six hundred four thousand, three hundred ninety-six".