4915920 has 40 divisors (see below), whose sum is σ = 15240096. Its totient is φ = 1310848.

The previous prime is 4915891. The next prime is 4915961. The reversal of 4915920 is 295194.

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 a d-powerful number, because it can be written as 4⁵ + 9³ + 1 + 5³ + 9⁷ + 2¹⁷ + 0 .

It is a congruent number.

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, 10002 + ... + 10481.

Almost surely, 2^4915920 is an apocalyptic number.

4915920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4915920 is an abundant number, since it is smaller than the sum of its proper divisors (10324176).

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

4915920 is a wasteful number, since it uses less digits than its factorization.

4915920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499 (or 20493 counting only the distinct ones).

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

The square root of 4915920 is about 2217.1874075053. The cubic root of 4915920 is about 170.0336726840.

The spelling of 4915920 in words is "four million, nine hundred fifteen thousand, nine hundred twenty".