47390349 has 4 divisors (see below), whose sum is σ = 63187136. Its totient is φ = 31593564.

The previous prime is 47390323. The next prime is 47390363. The reversal of 47390349 is 94309374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47390349 - 2⁷ = 47390221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47390309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898389 + ... + 7898394.

It is an arithmetic number, because the mean of its divisors is an integer number (15796784).

Almost surely, 2^47390349 is an apocalyptic number.

It is an amenable number.

47390349 is a deficient number, since it is larger than the sum of its proper divisors (15796787).

47390349 is a wasteful number, since it uses less digits than its factorization.

47390349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796786.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 47390349 is about 6884.0648602406. The cubic root of 47390349 is about 361.8789340077.

The spelling of 47390349 in words is "forty-seven million, three hundred ninety thousand, three hundred forty-nine".