3155384488 has 8 divisors (see below), whose sum is σ = 5916345930. Its totient is φ = 1577692240.

The previous prime is 3155384483. The next prime is 3155384509. The reversal of 3155384488 is 8844835513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3131745444 + 23639044 = 55962^2 + 4862^2 .

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

It is a super-2 number, since 2×3155384488² = 19912902534222044288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3155384483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197211523 + ... + 197211538.

Almost surely, 2^3155384488 is an apocalyptic number.

It is an amenable number.

3155384488 is a deficient number, since it is larger than the sum of its proper divisors (2760961442).

3155384488 is a wasteful number, since it uses less digits than its factorization.

3155384488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394423067 (or 394423063 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 3155384488 is about 56172.8091517595. The cubic root of 3155384488 is about 1466.7319827202.

The spelling of 3155384488 in words is "three billion, one hundred fifty-five million, three hundred eighty-four thousand, four hundred eighty-eight".