2371842 has 50 divisors (see below), whose sum is σ = 5846115. Its totient is φ = 718740.

The previous prime is 2371819. The next prime is 2371847. The reversal of 2371842 is 2481732.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 1185921 = 1089^2 + 1089^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1089.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2688) is a multiple of the sum of its prime divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2371847) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 215617 + ... + 215627.

2^2371842 is an apocalyptic number.

2371842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2371842

2371842 is an abundant number, since it is smaller than the sum of its proper divisors (3474273).

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

2371842 is an frugal number, since it uses more digits than its factorization.

2371842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 16 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2371842 is about 1540.0785694243. The cubic root of 2371842 is about 133.3609206805.

The spelling of 2371842 in words is "two million, three hundred seventy-one thousand, eight hundred forty-two".