2400030 has 40 divisors (see below), whose sum is σ = 6455592. Its totient is φ = 639792.

The previous prime is 2400019. The next prime is 2400031. The reversal of 2400030 is 300042.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2399985 and 2400021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 672 + ... + 2291.

2^2400030 is an apocalyptic number.

2400030 is an abundant number, since it is smaller than the sum of its proper divisors (4055562).

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

2400030 is a wasteful number, since it uses less digits than its factorization.

2400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 2400030 is about 1549.2030209111. The cubic root of 2400030 is about 133.8871478749.

Adding to 2400030 its reverse (300042), we get a palindrome (2700072).

The spelling of 2400030 in words is "two million, four hundred thousand, thirty".