2429945 has 8 divisors (see below), whose sum is σ = 3332544. Its totient is φ = 1666224.

The previous prime is 2429941. The next prime is 2429953. The reversal of 2429945 is 5499242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2429945 - 2² = 2429941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 69427 = 2429945 / (2 + 4 + 2 + 9 + 9 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2429941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34679 + ... + 34748.

It is an arithmetic number, because the mean of its divisors is an integer number (416568).

2^2429945 is an apocalyptic number.

It is an amenable number.

2429945 is a deficient number, since it is larger than the sum of its proper divisors (902599).

2429945 is an equidigital number, since it uses as much as digits as its factorization.

2429945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69439.

The product of its digits is 25920, while the sum is 35.

The square root of 2429945 is about 1558.8280854539. The cubic root of 2429945 is about 134.4411280793.

Subtracting from 2429945 its sum of digits (35), we obtain a triangular number (2429910 = T₂₂₀₄).

The spelling of 2429945 in words is "two million, four hundred twenty-nine thousand, nine hundred forty-five".