2405954 has 4 divisors (see below), whose sum is σ = 3608934. Its totient is φ = 1202976.

The previous prime is 2405929. The next prime is 2405971. The reversal of 2405954 is 4595042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4595042 = 2 ⋅2297521.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 49729 = 1535^2 + 223^2 .

It is a super-2 number, since 2×2405954² = 11577229300232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601487 + ... + 601490.

2^2405954 is an apocalyptic number.

2405954 is a deficient number, since it is larger than the sum of its proper divisors (1202980).

2405954 is a wasteful number, since it uses less digits than its factorization.

2405954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202979.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2405954 is about 1551.1137933756. The cubic root of 2405954 is about 133.9972153576.

The spelling of 2405954 in words is "two million, four hundred five thousand, nine hundred fifty-four".