651472346 has 48 divisors (see below), whose sum is σ = 1161452520. Its totient is φ = 273208320.

The previous prime is 651472337. The next prime is 651472363. The reversal of 651472346 is 643274156.

651472346 = T₃₃₃₉ + T₃₃₄₀ + ... + T₃₄₅₁.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 363321721 + 288150625 = 19061^2 + 16975^2 .

It is a Curzon number.

It is an unprimeable number.

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, 985256 + ... + 985916.

Almost surely, 2^651472346 is an apocalyptic number.

651472346 is a deficient number, since it is larger than the sum of its proper divisors (509980174).

651472346 is a wasteful number, since it uses less digits than its factorization.

651472346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 872 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 651472346 is about 25523.9563155871. The cubic root of 651472346 is about 866.8926652892.

The spelling of 651472346 in words is "six hundred fifty-one million, four hundred seventy-two thousand, three hundred forty-six".