1935640098 has 64 divisors (see below), whose sum is σ = 5030277120. Its totient is φ = 540174096.

The previous prime is 1935640087. The next prime is 1935640103. The reversal of 1935640098 is 8900465391.

It is a happy number.

1935640098 is a `hidden beast` number, since 193 + 56 + 400 + 9 + 8 = 666.

1935640098 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43290 + ... + 75797.

It is an arithmetic number, because the mean of its divisors is an integer number (78598080).

Almost surely, 2^1935640098 is an apocalyptic number.

1935640098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1935640098 is an abundant number, since it is smaller than the sum of its proper divisors (3094637022).

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

1935640098 is a wasteful number, since it uses less digits than its factorization.

1935640098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119148 (or 119142 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1935640098 is about 43995.9100144548. The cubic root of 1935640098 is about 1246.2587008900.

The spelling of 1935640098 in words is "one billion, nine hundred thirty-five million, six hundred forty thousand, ninety-eight".