415481998 has 4 divisors (see below), whose sum is σ = 623223000. Its totient is φ = 207740998.

The previous prime is 415481977. The next prime is 415482019. The reversal of 415481998 is 899184514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899184514 = 2 ⋅449592257.

It is an interprime number because it is at equal distance from previous prime (415481977) and next prime (415482019).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103870498 + ... + 103870501.

It is an arithmetic number, because the mean of its divisors is an integer number (155805750).

Almost surely, 2^415481998 is an apocalyptic number.

415481998 is a deficient number, since it is larger than the sum of its proper divisors (207741002).

415481998 is a wasteful number, since it uses less digits than its factorization.

415481998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207741001.

The product of its digits is 414720, while the sum is 49.

The square root of 415481998 is about 20383.3755300735. The cubic root of 415481998 is about 746.1922551923.

The spelling of 415481998 in words is "four hundred fifteen million, four hundred eighty-one thousand, nine hundred ninety-eight".