47406949 has 4 divisors (see below), whose sum is σ = 47434464. Its totient is φ = 47379436.

The previous prime is 47406911. The next prime is 47406959. The reversal of 47406949 is 94960474.

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 a cyclic number.

It is not a de Polignac number, because 47406949 - 2¹¹ = 47404901 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 (47406959) 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, 10987 + ... + 14680.

It is an arithmetic number, because the mean of its divisors is an integer number (11858616).

Almost surely, 2^47406949 is an apocalyptic number.

It is an amenable number.

47406949 is a deficient number, since it is larger than the sum of its proper divisors (27515).

47406949 is a wasteful number, since it uses less digits than its factorization.

47406949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27514.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 47406949 is about 6885.2704376807. The cubic root of 47406949 is about 361.9211823357.

The spelling of 47406949 in words is "forty-seven million, four hundred six thousand, nine hundred forty-nine".