7401849 has 32 divisors (see below), whose sum is σ = 12794880. Its totient is φ = 3696192.

The previous prime is 7401841. The next prime is 7401871. The reversal of 7401849 is 9481047.

It is not a de Polignac number, because 7401849 - 2³ = 7401841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7401841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4474 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (399840).

Almost surely, 2^7401849 is an apocalyptic number.

It is an amenable number.

7401849 is a deficient number, since it is larger than the sum of its proper divisors (5393031).

7401849 is a wasteful number, since it uses less digits than its factorization.

7401849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7401849 is about 2720.6339334795. The cubic root of 7401849 is about 194.8857450343.

It can be divided in two parts, 7 and 401849, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 7401849 in words is "seven million, four hundred one thousand, eight hundred forty-nine".