201964398 has 32 divisors (see below), whose sum is σ = 414965376. Its totient is φ = 65506848.

The previous prime is 201964339. The next prime is 201964429. The reversal of 201964398 is 893469102.

It is a Curzon number.

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, 30340 + ... + 36392.

It is an arithmetic number, because the mean of its divisors is an integer number (12967668).

Almost surely, 2^201964398 is an apocalyptic number.

201964398 is an abundant number, since it is smaller than the sum of its proper divisors (213000978).

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

201964398 is a wasteful number, since it uses less digits than its factorization.

201964398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 201964398 is about 14211.4178743713. The cubic root of 201964398 is about 586.7119579502.

The spelling of 201964398 in words is "two hundred one million, nine hundred sixty-four thousand, three hundred ninety-eight".