1906236464 has 20 divisors (see below), whose sum is σ = 4029091080. Its totient is φ = 866471040.

The previous prime is 1906236457. The next prime is 1906236547. The reversal of 1906236464 is 4646326091.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415269 + ... + 5415620.

It is an arithmetic number, because the mean of its divisors is an integer number (201454554).

Almost surely, 2^1906236464 is an apocalyptic number.

It is an amenable number.

1906236464 is an abundant number, since it is smaller than the sum of its proper divisors (2122854616).

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

1906236464 is a wasteful number, since it uses less digits than its factorization.

1906236464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830908 (or 10830902 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 1906236464 is about 43660.4679773362. The cubic root of 1906236464 is about 1239.9159811265.

The spelling of 1906236464 in words is "one billion, nine hundred six million, two hundred thirty-six thousand, four hundred sixty-four".