3487739 has 4 divisors (see below), whose sum is σ = 3496056. Its totient is φ = 3479424.

The previous prime is 3487709. The next prime is 3487751. The reversal of 3487739 is 9377843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3487739 - 2¹² = 3483643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3487696 and 3487705.

It is not an unprimeable number, because it can be changed into a prime (3487709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (874014).

Almost surely, 2^3487739 is an apocalyptic number.

3487739 is a deficient number, since it is larger than the sum of its proper divisors (8317).

3487739 is an equidigital number, since it uses as much as digits as its factorization.

3487739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316.

The product of its digits is 127008, while the sum is 41.

The square root of 3487739 is about 1867.5489284086. The cubic root of 3487739 is about 151.6519477458.

The spelling of 3487739 in words is "three million, four hundred eighty-seven thousand, seven hundred thirty-nine".