361812546 has 24 divisors (see below), whose sum is σ = 788465340. Its totient is φ = 119906016.

The previous prime is 361812541. The next prime is 361812551. The reversal of 361812546 is 645218163.

It is a happy number.

361812546 is a `hidden beast` number, since 36 + 1 + 81 + 2 + 546 = 666.

It is an interprime number because it is at equal distance from previous prime (361812541) and next prime (361812551).

It can be written as a sum of positive squares in 2 ways, for example, as 361190025 + 622521 = 19005^2 + 789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 361812546.

It is not an unprimeable number, because it can be changed into a prime (361812541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54981 + ... + 61208.

Almost surely, 2^361812546 is an apocalyptic number.

361812546 is an abundant number, since it is smaller than the sum of its proper divisors (426652794).

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

361812546 is a wasteful number, since it uses less digits than its factorization.

361812546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116370 (or 116367 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 361812546 is about 19021.3707707936. The cubic root of 361812546 is about 712.5705577402.

The spelling of 361812546 in words is "three hundred sixty-one million, eight hundred twelve thousand, five hundred forty-six".