3479745 has 16 divisors (see below), whose sum is σ = 5660352. Its totient is φ = 1824960.

The previous prime is 3479743. The next prime is 3479767. The reversal of 3479745 is 5479743.

It is not a de Polignac number, because 3479745 - 2¹ = 3479743 is a prime.

3479745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3479741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (353772).

Almost surely, 2^3479745 is an apocalyptic number.

It is an amenable number.

3479745 is a deficient number, since it is larger than the sum of its proper divisors (2180607).

3479745 is a wasteful number, since it uses less digits than its factorization.

3479745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its digits is 105840, while the sum is 39.

The square root of 3479745 is about 1865.4074621916. The cubic root of 3479745 is about 151.5359955424.

It can be divided in two parts, 3479 and 745, that added together give a palindrome (4224).

The spelling of 3479745 in words is "three million, four hundred seventy-nine thousand, seven hundred forty-five".