601621598 has 4 divisors (see below), whose sum is σ = 902432400. Its totient is φ = 300810798.

The previous prime is 601621597. The next prime is 601621613. The reversal of 601621598 is 895126106.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601621597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150405398 + ... + 150405401.

It is an arithmetic number, because the mean of its divisors is an integer number (225608100).

Almost surely, 2^601621598 is an apocalyptic number.

601621598 is a deficient number, since it is larger than the sum of its proper divisors (300810802).

601621598 is a wasteful number, since it uses less digits than its factorization.

601621598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300810801.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 601621598 is about 24527.9758235367. The cubic root of 601621598 is about 844.1918199783.

The spelling of 601621598 in words is "six hundred one million, six hundred twenty-one thousand, five hundred ninety-eight".