3888390098 has 4 divisors (see below), whose sum is σ = 5832585150. Its totient is φ = 1944195048.

The previous prime is 3888390089. The next prime is 3888390133. The reversal of 3888390098 is 8900938883.

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., 3132305089 + 756085009 = 55967^2 + 27497^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972097523 + ... + 972097526.

Almost surely, 2^3888390098 is an apocalyptic number.

3888390098 is a deficient number, since it is larger than the sum of its proper divisors (1944195052).

3888390098 is a wasteful number, since it uses less digits than its factorization.

3888390098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944195051.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 3888390098 is about 62356.9570938159. The cubic root of 3888390098 is about 1572.4974245802.

The spelling of 3888390098 in words is "three billion, eight hundred eighty-eight million, three hundred ninety thousand, ninety-eight".