3747897 has 16 divisors (see below), whose sum is σ = 5601280. Its totient is φ = 2476656.

The previous prime is 3747847. The next prime is 3747899. The reversal of 3747897 is 7987473.

It is not a de Polignac number, because 3747897 - 2⁶ = 3747833 is a prime.

It is a d-powerful number, because it can be written as 3 + 7⁵ + 4⁹ + 7⁵ + 8⁷ + 9⁶ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3747899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (350080).

Almost surely, 2^3747897 is an apocalyptic number.

It is an amenable number.

3747897 is a deficient number, since it is larger than the sum of its proper divisors (1853383).

3747897 is a wasteful number, since it uses less digits than its factorization.

3747897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1223 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 3747897 is about 1935.9486046897. The cubic root of 3747897 is about 155.3325776005.

The spelling of 3747897 in words is "three million, seven hundred forty-seven thousand, eight hundred ninety-seven".