4159920 has 40 divisors (see below), whose sum is σ = 12896496. Its totient is φ = 1109248.

The previous prime is 4159907. The next prime is 4159937. The reversal of 4159920 is 299514.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8427 + ... + 8906.

Almost surely, 2^4159920 is an apocalyptic number.

4159920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4159920 is an abundant number, since it is smaller than the sum of its proper divisors (8736576).

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

4159920 is a wasteful number, since it uses less digits than its factorization.

4159920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17349 (or 17343 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4159920 is about 2039.5881937293. The cubic root of 4159920 is about 160.8279993816.

The spelling of 4159920 in words is "four million, one hundred fifty-nine thousand, nine hundred twenty".