47634390 has 24 divisors (see below), whose sum is σ = 123849648. Its totient is φ = 12702480.

The previous prime is 47634371. The next prime is 47634409. The reversal of 47634390 is 9343674.

It is an interprime number because it is at equal distance from previous prime (47634371) and next prime (47634409).

It is a super-2 number, since 2×47634390² = 4538070221344200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 264546 + ... + 264725.

It is an arithmetic number, because the mean of its divisors is an integer number (5160402).

Almost surely, 2^47634390 is an apocalyptic number.

47634390 is an abundant number, since it is smaller than the sum of its proper divisors (76215258).

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

47634390 is a wasteful number, since it uses less digits than its factorization.

47634390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529284 (or 529281 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 47634390 is about 6901.7671650093. The cubic root of 47634390 is about 362.4990471636.

The spelling of 47634390 in words is "forty-seven million, six hundred thirty-four thousand, three hundred ninety".