3304749421 has 4 divisors (see below), whose sum is σ = 3304986912. Its totient is φ = 3304511932.

The previous prime is 3304749403. The next prime is 3304749431. The reversal of 3304749421 is 1249474033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1249474033 = 79 ⋅15816127.

It is a cyclic number.

It is not a de Polignac number, because 3304749421 - 2⁷ = 3304749293 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 (3304749431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96481 + ... + 126166.

It is an arithmetic number, because the mean of its divisors is an integer number (826246728).

Almost surely, 2^3304749421 is an apocalyptic number.

It is an amenable number.

3304749421 is a deficient number, since it is larger than the sum of its proper divisors (237491).

3304749421 is a wasteful number, since it uses less digits than its factorization.

3304749421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237490.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3304749421 is about 57486.9500060666. The cubic root of 3304749421 is about 1489.5194494030.

The spelling of 3304749421 in words is "three billion, three hundred four million, seven hundred forty-nine thousand, four hundred twenty-one".