3621734 has 4 divisors (see below), whose sum is σ = 5432604. Its totient is φ = 1810866.

The previous prime is 3621733. The next prime is 3621767. The reversal of 3621734 is 4371263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4371263 = 13 ⋅336251.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905432 + ... + 905435.

It is an arithmetic number, because the mean of its divisors is an integer number (1358151).

Almost surely, 2^3621734 is an apocalyptic number.

3621734 is a deficient number, since it is larger than the sum of its proper divisors (1810870).

3621734 is a wasteful number, since it uses less digits than its factorization.

3621734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810869.

The product of its digits is 3024, while the sum is 26.

The square root of 3621734 is about 1903.0853895714. The cubic root of 3621734 is about 153.5696932303.

Adding to 3621734 its reverse (4371263), we get a palindrome (7992997).

The spelling of 3621734 in words is "three million, six hundred twenty-one thousand, seven hundred thirty-four".