6151428 has 18 divisors (see below), whose sum is σ = 15549534. Its totient is φ = 2050464.

The previous prime is 6151427. The next prime is 6151477. The reversal of 6151428 is 8241516.

6151428 is a `hidden beast` number, since 615 + 1 + 42 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 304704 = 2418^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (6151427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85401 + ... + 85472.

It is an arithmetic number, because the mean of its divisors is an integer number (863863).

Almost surely, 2^6151428 is an apocalyptic number.

It is an amenable number.

6151428 is an abundant number, since it is smaller than the sum of its proper divisors (9398106).

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

6151428 is a wasteful number, since it uses less digits than its factorization.

6151428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170883 (or 170878 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 6151428 is about 2480.2072494048. The cubic root of 6151428 is about 183.2280593038.

The spelling of 6151428 in words is "six million, one hundred fifty-one thousand, four hundred twenty-eight".