2619972 has 48 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 821376.

The previous prime is 2619961. The next prime is 2619973. The reversal of 2619972 is 2799162.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2619973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^2619972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2619972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598560).

2619972 is an abundant number, since it is smaller than the sum of its proper divisors (4577148).

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

2619972 is a wasteful number, since it uses less digits than its factorization.

2619972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1449 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2619972 is about 1618.6327563719. The cubic root of 2619972 is about 137.8580771552.

The spelling of 2619972 in words is "two million, six hundred nineteen thousand, nine hundred seventy-two".