1906298320 has 80 divisors (see below), whose sum is σ = 4507711488. Its totient is φ = 749629440.

The previous prime is 1906298299. The next prime is 1906298327. The reversal of 1906298320 is 238926091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906298327) 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, 1295185 + ... + 1296655.

Almost surely, 2^1906298320 is an apocalyptic number.

1906298320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906298320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253855744).

1906298320 is an abundant number, since it is smaller than the sum of its proper divisors (2601413168).

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

1906298320 is a wasteful number, since it uses less digits than its factorization.

1906298320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1906298320 is about 43661.1763469561. The cubic root of 1906298320 is about 1239.9293924416.

The spelling of 1906298320 in words is "one billion, nine hundred six million, two hundred ninety-eight thousand, three hundred twenty".