7149849 has 32 divisors (see below), whose sum is σ = 11556864. Its totient is φ = 3843840.

The previous prime is 7149841. The next prime is 7149851. The reversal of 7149849 is 9489417.

It is not a de Polignac number, because 7149849 - 2³ = 7149841 is a prime.

It is a super-2 number, since 2×7149849² = 102240681445602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149849.

It is not an unprimeable number, because it can be changed into a prime (7149841) 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 in 31 ways as a sum of consecutive naturals, for example, 54514 + ... + 54644.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^7149849 is an apocalyptic number.

It is an amenable number.

7149849 is a deficient number, since it is larger than the sum of its proper divisors (4407015).

7149849 is a wasteful number, since it uses less digits than its factorization.

7149849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 72576, while the sum is 42.

The square root of 7149849 is about 2673.9201558760. The cubic root of 7149849 is about 192.6484962024.

It can be divided in two parts, 714984 and 9, that multiplied together give a cube (6434856 = 186³).

The spelling of 7149849 in words is "seven million, one hundred forty-nine thousand, eight hundred forty-nine".