361954728 has 24 divisors (see below), whose sum is σ = 980294250. Its totient is φ = 120651552.

The previous prime is 361954727. The next prime is 361954739. The reversal of 361954728 is 827459163.

361954728 is a `hidden beast` number, since 3 + 619 + 5 + 4 + 7 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 360164484 + 1790244 = 18978^2 + 1338^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×361954728² = 262022450243107968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361954727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513503 + ... + 2513646.

Almost surely, 2^361954728 is an apocalyptic number.

It is an amenable number.

361954728 is an abundant number, since it is smaller than the sum of its proper divisors (618339522).

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

361954728 is a wasteful number, since it uses less digits than its factorization.

361954728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027161 (or 5027154 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 361954728 is about 19025.1078314947. The cubic root of 361954728 is about 712.6638854774.

The spelling of 361954728 in words is "three hundred sixty-one million, nine hundred fifty-four thousand, seven hundred twenty-eight".