47391190 has 32 divisors (see below), whose sum is σ = 106354944. Its totient is φ = 14771040.

The previous prime is 47391173. The next prime is 47391209. The reversal of 47391190 is 9119374.

47391190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47391190² = 4491849779232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30004 + ... + 31543.

It is an arithmetic number, because the mean of its divisors is an integer number (3323592).

Almost surely, 2^47391190 is an apocalyptic number.

47391190 is an abundant number, since it is smaller than the sum of its proper divisors (58963754).

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

47391190 is a wasteful number, since it uses less digits than its factorization.

47391190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61572.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 47391190 is about 6884.1259430664. The cubic root of 47391190 is about 361.8810746572.

It can be divided in two parts, 4739 and 1190, that added together give a square (5929 = 77²).

The spelling of 47391190 in words is "forty-seven million, three hundred ninety-one thousand, one hundred ninety".