2405654 has 4 divisors (see below), whose sum is σ = 3608484. Its totient is φ = 1202826.

The previous prime is 2405651. The next prime is 2405677. The reversal of 2405654 is 4565042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4565042 = 2 ⋅2282521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601412 + ... + 601415.

It is an arithmetic number, because the mean of its divisors is an integer number (902121).

2^2405654 is an apocalyptic number.

2405654 is a deficient number, since it is larger than the sum of its proper divisors (1202830).

2405654 is a wasteful number, since it uses less digits than its factorization.

2405654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202829.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2405654 is about 1551.0170856570. The cubic root of 2405654 is about 133.9916457255.

The spelling of 2405654 in words is "two million, four hundred five thousand, six hundred fifty-four".