49307489 has 16 divisors (see below), whose sum is σ = 64711680. Its totient is φ = 36398160.

The previous prime is 49307471. The next prime is 49307507. The reversal of 49307489 is 98470394.

It is an interprime number because it is at equal distance from previous prime (49307471) and next prime (49307507).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49307489 is a prime.

It is a super-3 number, since 3×49307489³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49307189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15389 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (4044480).

Almost surely, 2^49307489 is an apocalyptic number.

It is an amenable number.

49307489 is a deficient number, since it is larger than the sum of its proper divisors (15404191).

49307489 is a wasteful number, since it uses less digits than its factorization.

49307489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33740.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 49307489 is about 7021.9291508815. The cubic root of 49307489 is about 366.6944150717.

The spelling of 49307489 in words is "forty-nine million, three hundred seven thousand, four hundred eighty-nine".