6429450 has 24 divisors (see below), whose sum is σ = 15945408. Its totient is φ = 1714480.

The previous prime is 6429439. The next prime is 6429457. The reversal of 6429450 is 549246.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6429457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21282 + ... + 21581.

It is an arithmetic number, because the mean of its divisors is an integer number (664392).

Almost surely, 2^6429450 is an apocalyptic number.

6429450 is an abundant number, since it is smaller than the sum of its proper divisors (9515958).

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

6429450 is a wasteful number, since it uses less digits than its factorization.

6429450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42878 (or 42873 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6429450 is about 2535.6360148886. The cubic root of 6429450 is about 185.9478984604.

The spelling of 6429450 in words is "six million, four hundred twenty-nine thousand, four hundred fifty".