49309345 has 32 divisors (see below), whose sum is σ = 63825408. Its totient is φ = 36511488.

The previous prime is 49309339. The next prime is 49309349. The reversal of 49309345 is 54390394.

It is not a de Polignac number, because 49309345 - 2¹⁹ = 48785057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49309349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460782 + ... + 460888.

It is an arithmetic number, because the mean of its divisors is an integer number (1994544).

Almost surely, 2^49309345 is an apocalyptic number.

It is an amenable number.

49309345 is a deficient number, since it is larger than the sum of its proper divisors (14516063).

49309345 is a wasteful number, since it uses less digits than its factorization.

49309345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 49309345 is about 7022.0613070522. The cubic root of 49309345 is about 366.6990159705.

The spelling of 49309345 in words is "forty-nine million, three hundred nine thousand, three hundred forty-five".