49179397 has 4 divisors (see below), whose sum is σ = 49286080. Its totient is φ = 49072716.

The previous prime is 49179379. The next prime is 49179413. The reversal of 49179397 is 79397194.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-49179397 is a prime.

It is a super-2 number, since 2×49179397² = 4837226178567218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49179397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49179367) 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, 52647 + ... + 53572.

It is an arithmetic number, because the mean of its divisors is an integer number (12321520).

Almost surely, 2^49179397 is an apocalyptic number.

It is an amenable number.

49179397 is a deficient number, since it is larger than the sum of its proper divisors (106683).

49179397 is a wasteful number, since it uses less digits than its factorization.

49179397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106682.

The product of its digits is 428652, while the sum is 49.

The square root of 49179397 is about 7012.8023642478. The cubic root of 49179397 is about 366.3766042988.

The spelling of 49179397 in words is "forty-nine million, one hundred seventy-nine thousand, three hundred ninety-seven".