6409954 has 32 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 2861568.

The previous prime is 6409943. The next prime is 6410009. The reversal of 6409954 is 4599046.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66034 + ... + 66130.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^6409954 is an apocalyptic number.

6409954 is a deficient number, since it is larger than the sum of its proper divisors (4315166).

6409954 is a wasteful number, since it uses less digits than its factorization.

6409954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6409954 is about 2531.7886957643. The cubic root of 6409954 is about 185.7597584338.

It can be divided in two parts, 640995 and 4, that multiplied together give a triangular number (2563980 = T₂₂₆₄).

The spelling of 6409954 in words is "six million, four hundred nine thousand, nine hundred fifty-four".