3974658 has 8 divisors (see below), whose sum is σ = 7949328. Its totient is φ = 1324884.

The previous prime is 3974657. The next prime is 3974681. The reversal of 3974658 is 8564793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3974658 is an admirable number.

It is a d-powerful number, because it can be written as 3¹³ + 9 + 7² + 4³ + 6⁷ + 5⁵ + 8⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3974657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331216 + ... + 331227.

It is an arithmetic number, because the mean of its divisors is an integer number (993666).

Almost surely, 2^3974658 is an apocalyptic number.

3974658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3974658 is a wasteful number, since it uses less digits than its factorization.

3974658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662448.

The product of its digits is 181440, while the sum is 42.

The square root of 3974658 is about 1993.6544334463. The cubic root of 3974658 is about 158.4041620935.

The spelling of 3974658 in words is "three million, nine hundred seventy-four thousand, six hundred fifty-eight".