1903072098 has 32 divisors (see below), whose sum is σ = 3877984512. Its totient is φ = 622496000.

The previous prime is 1903072063. The next prime is 1903072099. The reversal of 1903072098 is 8902703091.

It is a super-2 number, since 2×1903072098² = 7243366820372243208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1903072099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54583 + ... + 82373.

It is an arithmetic number, because the mean of its divisors is an integer number (121187016).

Almost surely, 2^1903072098 is an apocalyptic number.

1903072098 is an abundant number, since it is smaller than the sum of its proper divisors (1974912414).

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

1903072098 is a wasteful number, since it uses less digits than its factorization.

1903072098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28010.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1903072098 is about 43624.2145831876. The cubic root of 1903072098 is about 1239.2295113747.

The spelling of 1903072098 in words is "one billion, nine hundred three million, seventy-two thousand, ninety-eight".