3697646 has 4 divisors (see below), whose sum is σ = 5546472. Its totient is φ = 1848822.

The previous prime is 3697633. The next prime is 3697657. The reversal of 3697646 is 6467963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6467963 = 1187 ⋅5449.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924410 + ... + 924413.

It is an arithmetic number, because the mean of its divisors is an integer number (1386618).

Almost surely, 2^3697646 is an apocalyptic number.

3697646 is a deficient number, since it is larger than the sum of its proper divisors (1848826).

3697646 is a wasteful number, since it uses less digits than its factorization.

3697646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848825.

The product of its digits is 163296, while the sum is 41.

The square root of 3697646 is about 1922.9264156488. The cubic root of 3697646 is about 154.6352296474.

The spelling of 3697646 in words is "three million, six hundred ninety-seven thousand, six hundred forty-six".