361249668 has 54 divisors (see below), whose sum is σ = 988821834. Its totient is φ = 111151872.

The previous prime is 361249667. The next prime is 361249697. The reversal of 361249668 is 866942163.

It can be written as a sum of positive squares in 3 ways, for example, as 21511044 + 339738624 = 4638^2 + 18432^2 .

It is a super-2 number, since 2×361249668² = 261002645260220448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361249667) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23605 + ... + 35772.

Almost surely, 2^361249668 is an apocalyptic number.

It is an amenable number.

361249668 is an abundant number, since it is smaller than the sum of its proper divisors (627572166).

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

361249668 is a wasteful number, since it uses less digits than its factorization.

361249668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59413 (or 59395 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 361249668 is about 19006.5690749278. The cubic root of 361249668 is about 712.2008465281.

The spelling of 361249668 in words is "three hundred sixty-one million, two hundred forty-nine thousand, six hundred sixty-eight".