906473990 has 16 divisors (see below), whose sum is σ = 1647810000. Its totient is φ = 358999200.

The previous prime is 906473987. The next prime is 906473993. The reversal of 906473990 is 99374609.

It is an interprime number because it is at equal distance from previous prime (906473987) and next prime (906473993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906473993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447740 + ... + 449759.

It is an arithmetic number, because the mean of its divisors is an integer number (102988125).

Almost surely, 2^906473990 is an apocalyptic number.

906473990 is a deficient number, since it is larger than the sum of its proper divisors (741336010).

906473990 is a wasteful number, since it uses less digits than its factorization.

906473990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897607.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 906473990 is about 30107.7064885388. The cubic root of 906473990 is about 967.7988811901.

The spelling of 906473990 in words is "nine hundred six million, four hundred seventy-three thousand, nine hundred ninety".