47856436 has 12 divisors (see below), whose sum is σ = 86450560. Its totient is φ = 23156280.

The previous prime is 47856427. The next prime is 47856443. The reversal of 47856436 is 63465874.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47856392 and 47856401.

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, 192846 + ... + 193093.

Almost surely, 2^47856436 is an apocalyptic number.

It is an amenable number.

47856436 is a deficient number, since it is larger than the sum of its proper divisors (38594124).

47856436 is a wasteful number, since it uses less digits than its factorization.

47856436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385974 (or 385972 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 47856436 is about 6917.8346323109. The cubic root of 47856436 is about 363.0614329872.

The spelling of 47856436 in words is "forty-seven million, eight hundred fifty-six thousand, four hundred thirty-six".