363890 has 8 divisors (see below), whose sum is σ = 655020. Its totient is φ = 145552.

The previous prime is 363889. The next prime is 363901. The reversal of 363890 is 98363.

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 19321 = 587^2 + 139^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18185 + ... + 18204.

2³⁶³⁸⁹⁰ is an apocalyptic number.

363890 is a deficient number, since it is larger than the sum of its proper divisors (291130).

363890 is a wasteful number, since it uses less digits than its factorization.

363890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36396.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 363890 is about 603.2329566594. The cubic root of 363890 is about 71.3931767496.

The spelling of 363890 in words is "three hundred sixty-three thousand, eight hundred ninety".