200493390 has 32 divisors (see below), whose sum is σ = 485688960. Its totient is φ = 52964384.

The previous prime is 200493379. The next prime is 200493407. The reversal of 200493390 is 93394002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28020 + ... + 34439.

It is an arithmetic number, because the mean of its divisors is an integer number (15177780).

Almost surely, 2^200493390 is an apocalyptic number.

200493390 is an abundant number, since it is smaller than the sum of its proper divisors (285195570).

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

200493390 is a wasteful number, since it uses less digits than its factorization.

200493390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62576.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 200493390 is about 14159.5688493683. The cubic root of 200493390 is about 585.2840464407.

The spelling of 200493390 in words is "two hundred million, four hundred ninety-three thousand, three hundred ninety".