201493854 has 24 divisors (see below), whose sum is σ = 437755032. Its totient is φ = 66982320.

The previous prime is 201493849. The next prime is 201493861. The reversal of 201493854 is 458394102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8292 + ... + 21719.

It is an arithmetic number, because the mean of its divisors is an integer number (18239793).

Almost surely, 2^201493854 is an apocalyptic number.

201493854 is an abundant number, since it is smaller than the sum of its proper divisors (236261178).

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

201493854 is a wasteful number, since it uses less digits than its factorization.

201493854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392 (or 30389 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 201493854 is about 14194.8530813108. The cubic root of 201493854 is about 586.2559560105.

The spelling of 201493854 in words is "two hundred one million, four hundred ninety-three thousand, eight hundred fifty-four".