3734391 has 4 divisors (see below), whose sum is σ = 4979192. Its totient is φ = 2489592.

The previous prime is 3734383. The next prime is 3734399. The reversal of 3734391 is 1934373.

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

It is an interprime number because it is at equal distance from previous prime (3734383) and next prime (3734399).

It is not a de Polignac number, because 3734391 - 2³ = 3734383 is a prime.

It is a super-2 number, since 2×3734391² = 27891352281762, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3734399) 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, 622396 + ... + 622401.

It is an arithmetic number, because the mean of its divisors is an integer number (1244798).

Almost surely, 2^3734391 is an apocalyptic number.

3734391 is a deficient number, since it is larger than the sum of its proper divisors (1244801).

3734391 is a wasteful number, since it uses less digits than its factorization.

3734391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244800.

The product of its digits is 6804, while the sum is 30.

The square root of 3734391 is about 1932.4572440290. The cubic root of 3734391 is about 155.1457664467.

The spelling of 3734391 in words is "three million, seven hundred thirty-four thousand, three hundred ninety-one".