3669494 has 4 divisors (see below), whose sum is σ = 5504244. Its totient is φ = 1834746.

The previous prime is 3669487. The next prime is 3669499. The reversal of 3669494 is 4949663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4949663 = 1741 ⋅2843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917372 + ... + 917375.

It is an arithmetic number, because the mean of its divisors is an integer number (1376061).

Almost surely, 2^3669494 is an apocalyptic number.

3669494 is a deficient number, since it is larger than the sum of its proper divisors (1834750).

3669494 is a wasteful number, since it uses less digits than its factorization.

3669494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834749.

The product of its digits is 139968, while the sum is 41.

The square root of 3669494 is about 1915.5923365894. The cubic root of 3669494 is about 154.2417914195.

The spelling of 3669494 in words is "three million, six hundred sixty-nine thousand, four hundred ninety-four".