906381632 has 28 divisors (see below), whose sum is σ = 1936956756. Its totient is φ = 418329600.

The previous prime is 906381617. The next prime is 906381647. The reversal of 906381632 is 236183609.

It is an interprime number because it is at equal distance from previous prime (906381617) and next prime (906381647).

It can be written as a sum of positive squares in 2 ways, for example, as 369254656 + 537126976 = 19216^2 + 23176^2 .

It is a congruent number.

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, 543869 + ... + 545532.

It is an arithmetic number, because the mean of its divisors is an integer number (69177027).

Almost surely, 2^906381632 is an apocalyptic number.

It is an amenable number.

906381632 is an abundant number, since it is smaller than the sum of its proper divisors (1030575124).

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

906381632 is a wasteful number, since it uses less digits than its factorization.

906381632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089426 (or 1089416 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 906381632 is about 30106.1726561182. The cubic root of 906381632 is about 967.7660113355.

The spelling of 906381632 in words is "nine hundred six million, three hundred eighty-one thousand, six hundred thirty-two".