1906974315 has 24 divisors (see below), whose sum is σ = 3419404560. Its totient is φ = 981981504.

The previous prime is 1906974299. The next prime is 1906974317. The reversal of 1906974315 is 5134796091.

It is not a de Polignac number, because 1906974315 - 2⁴ = 1906974299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1906974317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729337 + ... + 731946.

It is an arithmetic number, because the mean of its divisors is an integer number (142475190).

Almost surely, 2^1906974315 is an apocalyptic number.

1906974315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1906974315 is a deficient number, since it is larger than the sum of its proper divisors (1512430245).

1906974315 is a wasteful number, since it uses less digits than its factorization.

1906974315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461323 (or 1461320 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1906974315 is about 43668.9170348888. The cubic root of 1906974315 is about 1240.0759394613.

The spelling of 1906974315 in words is "one billion, nine hundred six million, nine hundred seventy-four thousand, three hundred fifteen".