6403154 has 8 divisors (see below), whose sum is σ = 10022400. Its totient is φ = 3062356.

The previous prime is 6403153. The next prime is 6403157. The reversal of 6403154 is 4513046.

It is a happy number.

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

It is a super-2 number, since 2×6403154² = 82000762295432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (6403151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69554 + ... + 69645.

It is an arithmetic number, because the mean of its divisors is an integer number (1252800).

Almost surely, 2^6403154 is an apocalyptic number.

6403154 is a deficient number, since it is larger than the sum of its proper divisors (3619246).

6403154 is a wasteful number, since it uses less digits than its factorization.

6403154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139224.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6403154 is about 2530.4454153370. The cubic root of 6403154 is about 185.6940474424.

The spelling of 6403154 in words is "six million, four hundred three thousand, one hundred fifty-four".