364581940 has 12 divisors (see below), whose sum is σ = 765622116. Its totient is φ = 145832768.

The previous prime is 364581923. The next prime is 364581941. The reversal of 364581940 is 49185463.

It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 275958544 = 9414^2 + 16612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 364581893 and 364581902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364581941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9114529 + ... + 9114568.

It is an arithmetic number, because the mean of its divisors is an integer number (63801843).

Almost surely, 2^364581940 is an apocalyptic number.

It is an amenable number.

364581940 is an abundant number, since it is smaller than the sum of its proper divisors (401040176).

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

364581940 is a wasteful number, since it uses less digits than its factorization.

364581940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229106 (or 18229104 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 364581940 is about 19094.0289095832. The cubic root of 364581940 is about 714.3839968000.

The spelling of 364581940 in words is "three hundred sixty-four million, five hundred eighty-one thousand, nine hundred forty".