1901283198 has 32 divisors (see below), whose sum is σ = 3895395840. Its totient is φ = 618372480.

The previous prime is 1901283191. The next prime is 1901283217. The reversal of 1901283198 is 8913821091.

It is a super-2 number, since 2×1901283198² = 7229755597994214408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901283191) 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, 83158 + ... + 103526.

It is an arithmetic number, because the mean of its divisors is an integer number (121731120).

Almost surely, 2^1901283198 is an apocalyptic number.

1901283198 is an abundant number, since it is smaller than the sum of its proper divisors (1994112642).

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

1901283198 is a wasteful number, since it uses less digits than its factorization.

1901283198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20752.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 1901283198 is about 43603.7062415570. The cubic root of 1901283198 is about 1238.8410950770.

The spelling of 1901283198 in words is "one billion, nine hundred one million, two hundred eighty-three thousand, one hundred ninety-eight".