201389484 has 12 divisors (see below), whose sum is σ = 469908824. Its totient is φ = 67129824.

The previous prime is 201389459. The next prime is 201389509. The reversal of 201389484 is 484983102.

It is an interprime number because it is at equal distance from previous prime (201389459) and next prime (201389509).

It is a tau number, because it is divible by the number of its divisors (12).

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, 8391217 + ... + 8391240.

Almost surely, 2^201389484 is an apocalyptic number.

It is an amenable number.

201389484 is an abundant number, since it is smaller than the sum of its proper divisors (268519340).

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

201389484 is a wasteful number, since it uses less digits than its factorization.

201389484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16782464 (or 16782462 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 201389484 is about 14191.1762725998. The cubic root of 201389484 is about 586.1547153678.

The spelling of 201389484 in words is "two hundred one million, three hundred eighty-nine thousand, four hundred eighty-four".