5149947 has 8 divisors (see below), whose sum is σ = 7490880. Its totient is φ = 3121160.

The previous prime is 5149943. The next prime is 5149951. The reversal of 5149947 is 7499415.

It is an interprime number because it is at equal distance from previous prime (5149943) and next prime (5149951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5149947 - 2² = 5149943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5149943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77997 + ... + 78062.

It is an arithmetic number, because the mean of its divisors is an integer number (936360).

Almost surely, 2^5149947 is an apocalyptic number.

5149947 is a deficient number, since it is larger than the sum of its proper divisors (2340933).

5149947 is a wasteful number, since it uses less digits than its factorization.

5149947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156073.

The product of its digits is 45360, while the sum is 39.

The square root of 5149947 is about 2269.3494662568. The cubic root of 5149947 is about 172.6901578695.

The spelling of 5149947 in words is "five million, one hundred forty-nine thousand, nine hundred forty-seven".