49408389 has 12 divisors (see below), whose sum is σ = 73670272. Its totient is φ = 31876200.

The previous prime is 49408369. The next prime is 49408391. The reversal of 49408389 is 98380494.

It is a happy number.

49408389 is a `hidden beast` number, since 494 + 0 + 83 + 89 = 666.

It is not a de Polignac number, because 49408389 - 2¹¹ = 49406341 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49408309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88267 + ... + 88824.

Almost surely, 2^49408389 is an apocalyptic number.

It is an amenable number.

49408389 is a deficient number, since it is larger than the sum of its proper divisors (24261883).

49408389 is a wasteful number, since it uses less digits than its factorization.

49408389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177128 (or 177125 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 49408389 is about 7029.1101143744. The cubic root of 49408389 is about 366.9443720798.

The spelling of 49408389 in words is "forty-nine million, four hundred eight thousand, three hundred eighty-nine".