1304749 has 8 divisors (see below), whose sum is σ = 1406240. Its totient is φ = 1206576.

The previous prime is 1304741. The next prime is 1304753. The reversal of 1304749 is 9474031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304749 - 2³ = 1304741 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 (1304741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (175780).

2^1304749 is an apocalyptic number.

1304749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1304749 is a deficient number, since it is larger than the sum of its proper divisors (101491).

1304749 is a wasteful number, since it uses less digits than its factorization.

1304749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1304749 is about 1142.2561008811. The cubic root of 1304749 is about 109.2720248766.

The spelling of 1304749 in words is "one million, three hundred four thousand, seven hundred forty-nine".