3917492 has 6 divisors (see below), whose sum is σ = 6855618. Its totient is φ = 1958744.

The previous prime is 3917491. The next prime is 3917527. The reversal of 3917492 is 2947193.

It can be written as a sum of positive squares in only one way, i.e., 2676496 + 1240996 = 1636^2 + 1114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3917491) 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, 489683 + ... + 489690.

It is an arithmetic number, because the mean of its divisors is an integer number (1142603).

Almost surely, 2^3917492 is an apocalyptic number.

It is an amenable number.

3917492 is a deficient number, since it is larger than the sum of its proper divisors (2938126).

3917492 is a wasteful number, since it uses less digits than its factorization.

3917492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979377 (or 979375 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 3917492 is about 1979.2655203383. The cubic root of 3917492 is about 157.6410695443.

Subtracting from 3917492 its reverse (2947193), we obtain a cube (970299 = 99³).

The spelling of 3917492 in words is "three million, nine hundred seventeen thousand, four hundred ninety-two".