363861406 has 8 divisors (see below), whose sum is σ = 547059744. Its totient is φ = 181508160.

The previous prime is 363861391. The next prime is 363861409. The reversal of 363861406 is 604168363.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363861409) 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, 210195 + ... + 211918.

It is an arithmetic number, because the mean of its divisors is an integer number (68382468).

Almost surely, 2^363861406 is an apocalyptic number.

363861406 is a deficient number, since it is larger than the sum of its proper divisors (183198338).

363861406 is a wasteful number, since it uses less digits than its factorization.

363861406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422546.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 363861406 is about 19075.1515328188. The cubic root of 363861406 is about 713.9130670653.

The spelling of 363861406 in words is "three hundred sixty-three million, eight hundred sixty-one thousand, four hundred six".