3728494 has 48 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 1386000.

The previous prime is 3728489. The next prime is 3728509. The reversal of 3728494 is 4948273.

It is a happy number.

It is a super-3 number, since 3×3728494³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52479 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

Almost surely, 2^3728494 is an apocalyptic number.

3728494 is a deficient number, since it is larger than the sum of its proper divisors (3625874).

3728494 is a wasteful number, since it uses less digits than its factorization.

3728494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 122 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3728494 is about 1930.9308635992. The cubic root of 3728494 is about 155.0640595429.

The spelling of 3728494 in words is "three million, seven hundred twenty-eight thousand, four hundred ninety-four".