3897494 has 4 divisors (see below), whose sum is σ = 5846244. Its totient is φ = 1948746.

The previous prime is 3897463. The next prime is 3897497. The reversal of 3897494 is 4947983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4947983 = 139 ⋅35597.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974372 + ... + 974375.

It is an arithmetic number, because the mean of its divisors is an integer number (1461561).

Almost surely, 2^3897494 is an apocalyptic number.

3897494 is a deficient number, since it is larger than the sum of its proper divisors (1948750).

3897494 is a wasteful number, since it uses less digits than its factorization.

3897494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948749.

The product of its digits is 217728, while the sum is 44.

The square root of 3897494 is about 1974.2071826432. The cubic root of 3897494 is about 157.3723699380.

The spelling of 3897494 in words is "three million, eight hundred ninety-seven thousand, four hundred ninety-four".