2439801 has 40 divisors (see below), whose sum is σ = 4499264. Its totient is φ = 1283040.

The previous prime is 2439791. The next prime is 2439803. The reversal of 2439801 is 1089342.

It is not a de Polignac number, because 2439801 - 2⁶ = 2439737 is a prime.

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

2439801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2439803) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7206 + ... + 7536.

2^2439801 is an apocalyptic number.

2439801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2439801 is a deficient number, since it is larger than the sum of its proper divisors (2059463).

2439801 is a wasteful number, since it uses less digits than its factorization.

2439801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 354 counting only the distinct ones).

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

The square root of 2439801 is about 1561.9862355347. The cubic root of 2439801 is about 134.6226499229.

It can be divided in two parts, 2439 and 801, that added together give a triangular number (3240 = T₈₀).

The spelling of 2439801 in words is "two million, four hundred thirty-nine thousand, eight hundred one".