363849861 has 8 divisors (see below), whose sum is σ = 513670464. Its totient is φ = 228297920.

The previous prime is 363849859. The next prime is 363849881. The reversal of 363849861 is 168948363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 363849861 - 2¹ = 363849859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 363849861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363849881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3567105 + ... + 3567206.

It is an arithmetic number, because the mean of its divisors is an integer number (64208808).

Almost surely, 2^363849861 is an apocalyptic number.

It is an amenable number.

363849861 is a deficient number, since it is larger than the sum of its proper divisors (149820603).

363849861 is a wasteful number, since it uses less digits than its factorization.

363849861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134331.

The product of its digits is 746496, while the sum is 48.

The square root of 363849861 is about 19074.8489115904. The cubic root of 363849861 is about 713.9055163758.

The spelling of 363849861 in words is "three hundred sixty-three million, eight hundred forty-nine thousand, eight hundred sixty-one".