3924690 has 64 divisors (see below), whose sum is σ = 11750400. Its totient is φ = 815040.

The previous prime is 3924689. The next prime is 3924719. The reversal of 3924690 is 964293.

3924690 = 8² + 9² + ... + 227².

It is a super-2 number, since 2×3924690² = 30806383192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1461 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

Almost surely, 2^3924690 is an apocalyptic number.

3924690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3924690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5875200).

3924690 is an abundant number, since it is smaller than the sum of its proper divisors (7825710).

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

3924690 is a wasteful number, since it uses less digits than its factorization.

3924690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3924690 is about 1981.0830371289. The cubic root of 3924690 is about 157.7375603741.

The spelling of 3924690 in words is "three million, nine hundred twenty-four thousand, six hundred ninety".