200155394 has 16 divisors (see below), whose sum is σ = 303436800. Its totient is φ = 99015840.

The previous prime is 200155379. The next prime is 200155409. The reversal of 200155394 is 493551002.

It is an interprime number because it is at equal distance from previous prime (200155379) and next prime (200155409).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74702 + ... + 77334.

It is an arithmetic number, because the mean of its divisors is an integer number (18964800).

Almost surely, 2^200155394 is an apocalyptic number.

200155394 is a deficient number, since it is larger than the sum of its proper divisors (103281406).

200155394 is a wasteful number, since it uses less digits than its factorization.

200155394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 200155394 is about 14147.6285645334. The cubic root of 200155394 is about 584.9549667041.

The spelling of 200155394 in words is "two hundred million, one hundred fifty-five thousand, three hundred ninety-four".