3435749 has 4 divisors (see below), whose sum is σ = 3445836. Its totient is φ = 3425664.

The previous prime is 3435739. The next prime is 3435767. The reversal of 3435749 is 9475343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9475343 = 127 ⋅74609.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 1170724 = 1505^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3435749 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3435739) 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, 4514 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (861459).

Almost surely, 2^3435749 is an apocalyptic number.

It is an amenable number.

3435749 is a deficient number, since it is larger than the sum of its proper divisors (10087).

3435749 is an equidigital number, since it uses as much as digits as its factorization.

3435749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086.

The product of its digits is 45360, while the sum is 35.

The square root of 3435749 is about 1853.5773520412. The cubic root of 3435749 is about 150.8946387208.

The spelling of 3435749 in words is "three million, four hundred thirty-five thousand, seven hundred forty-nine".