1906424100 has 180 divisors, whose sum is σ = 7062922944. Its totient is φ = 435741120.

The previous prime is 1906424089. The next prime is 1906424119. The reversal of 1906424100 is 14246091.

1906424100 is a `hidden beast` number, since 1 + 9 + 0 + 642 + 4 + 10 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39889 + ... + 73511.

Almost surely, 2^1906424100 is an apocalyptic number.

1906424100 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 1906424100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3531461472).

1906424100 is an abundant number, since it is smaller than the sum of its proper divisors (5156498844).

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

1906424100 is a wasteful number, since it uses less digits than its factorization.

1906424100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33656 (or 33640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1906424100 is about 43662.6167333109. The cubic root of 1906424100 is about 1239.9566625506.

The spelling of 1906424100 in words is "one billion, nine hundred six million, four hundred twenty-four thousand, one hundred".