915484398 has 16 divisors (see below), whose sum is σ = 1831265280. Its totient is φ = 305112056.

The previous prime is 915484393. The next prime is 915484399. The reversal of 915484398 is 893484519.

It is a super-2 number, since 2×915484398² = 1676223365962844808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 915484398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915484393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67123 + ... + 79601.

It is an arithmetic number, because the mean of its divisors is an integer number (114454080).

Almost surely, 2^915484398 is an apocalyptic number.

915484398 is an abundant number, since it is smaller than the sum of its proper divisors (915780882).

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

915484398 is a wasteful number, since it uses less digits than its factorization.

915484398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24711.

The product of its digits is 1244160, while the sum is 51.

The square root of 915484398 is about 30256.9727170449. The cubic root of 915484398 is about 970.9949750900.

The spelling of 915484398 in words is "nine hundred fifteen million, four hundred eighty-four thousand, three hundred ninety-eight".