2391480 has 192 divisors, whose sum is σ = 9696960. Its totient is φ = 497664.

The previous prime is 2391469. The next prime is 2391491. The reversal of 2391480 is 841932.

It is an interprime number because it is at equal distance from previous prime (2391469) and next prime (2391491).

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32724 + ... + 32796.

It is an arithmetic number, because the mean of its divisors is an integer number (50505).

2^2391480 is an apocalyptic number.

2391480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2391480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4848480).

2391480 is an abundant number, since it is smaller than the sum of its proper divisors (7305480).

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

2391480 is a wasteful number, since it uses less digits than its factorization.

2391480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2391480 is about 1546.4410755021. The cubic root of 2391480 is about 133.7279697025.

The spelling of 2391480 in words is "two million, three hundred ninety-one thousand, four hundred eighty".