49238397 has 24 divisors (see below), whose sum is σ = 78382304. Its totient is φ = 29592864.

The previous prime is 49238381. The next prime is 49238411. The reversal of 49238397 is 79383294.

It is a happy number.

It is not a de Polignac number, because 49238397 - 2⁴ = 49238381 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49238347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138 + ... + 9924.

Almost surely, 2^49238397 is an apocalyptic number.

It is an amenable number.

49238397 is a deficient number, since it is larger than the sum of its proper divisors (29143907).

49238397 is a wasteful number, since it uses less digits than its factorization.

49238397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849 (or 9846 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 49238397 is about 7017.0076955922. The cubic root of 49238397 is about 366.5230584543.

The spelling of 49238397 in words is "forty-nine million, two hundred thirty-eight thousand, three hundred ninety-seven".