7949834 has 4 divisors (see below), whose sum is σ = 11924754. Its totient is φ = 3974916.

The previous prime is 7949833. The next prime is 7949839. The reversal of 7949834 is 4389497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4389497 = 7 ⋅627071.

It can be written as a sum of positive squares in only one way, i.e., 7856809 + 93025 = 2803^2 + 305^2 .

It is not an unprimeable number, because it can be changed into a prime (7949833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987457 + ... + 1987460.

Almost surely, 2^7949834 is an apocalyptic number.

7949834 is a deficient number, since it is larger than the sum of its proper divisors (3974920).

7949834 is a wasteful number, since it uses less digits than its factorization.

7949834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974919.

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

The square root of 7949834 is about 2819.5449987542. The cubic root of 7949834 is about 199.5810731140.

The spelling of 7949834 in words is "seven million, nine hundred forty-nine thousand, eight hundred thirty-four".