3728488 has 8 divisors (see below), whose sum is σ = 6990930. Its totient is φ = 1864240.

The previous prime is 3728479. The next prime is 3728489. The reversal of 3728488 is 8848273.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 1162084 = 1602^2 + 1078^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3728488² = 27803245532288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3728488.

It is not an unprimeable number, because it can be changed into a prime (3728489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233023 + ... + 233038.

Almost surely, 2^3728488 is an apocalyptic number.

It is an amenable number.

3728488 is a deficient number, since it is larger than the sum of its proper divisors (3262442).

3728488 is a wasteful number, since it uses less digits than its factorization.

3728488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466067 (or 466063 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 3728488 is about 1930.9293099438. The cubic root of 3728488 is about 155.0639763650.

The spelling of 3728488 in words is "three million, seven hundred twenty-eight thousand, four hundred eighty-eight".