6913949 has 6 divisors (see below), whose sum is σ = 8042814. Its totient is φ = 5926200.

The previous prime is 6913943. The next prime is 6913957. The reversal of 6913949 is 9493196.

It can be written as a sum of positive squares in only one way, i.e., 6853924 + 60025 = 2618^2 + 245^2 .

It is not a de Polignac number, because 6913949 - 2⁸ = 6913693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6913943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70502 + ... + 70599.

It is an arithmetic number, because the mean of its divisors is an integer number (1340469).

Almost surely, 2^6913949 is an apocalyptic number.

It is an amenable number.

6913949 is a deficient number, since it is larger than the sum of its proper divisors (1128865).

6913949 is a wasteful number, since it uses less digits than its factorization.

6913949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141115 (or 141108 counting only the distinct ones).

The product of its digits is 52488, while the sum is 41.

The square root of 6913949 is about 2629.4389135327. The cubic root of 6913949 is about 190.5060287472.

The spelling of 6913949 in words is "six million, nine hundred thirteen thousand, nine hundred forty-nine".