3898005418 has 4 divisors (see below), whose sum is σ = 5847008130. Its totient is φ = 1949002708.

The previous prime is 3898005409. The next prime is 3898005437. The reversal of 3898005418 is 8145008983.

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

It can be written as a sum of positive squares in only one way, i.e., 2288952649 + 1609052769 = 47843^2 + 40113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974501353 + ... + 974501356.

Almost surely, 2^3898005418 is an apocalyptic number.

3898005418 is a deficient number, since it is larger than the sum of its proper divisors (1949002712).

3898005418 is a wasteful number, since it uses less digits than its factorization.

3898005418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949002711.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 3898005418 is about 62434.0085049807. The cubic root of 3898005418 is about 1573.7925295415.

The spelling of 3898005418 in words is "three billion, eight hundred ninety-eight million, five thousand, four hundred eighteen".