4151340 has 36 divisors (see below), whose sum is σ = 12592944. Its totient is φ = 1106976.

The previous prime is 4151317. The next prime is 4151341. The reversal of 4151340 is 431514.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4151341) 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, 11352 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (349804).

Almost surely, 2^4151340 is an apocalyptic number.

It is an amenable number.

4151340 is an abundant number, since it is smaller than the sum of its proper divisors (8441604).

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

4151340 is a wasteful number, since it uses less digits than its factorization.

4151340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078 (or 23073 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4151340 is about 2037.4837422664. The cubic root of 4151340 is about 160.7173518992.

Adding to 4151340 its reverse (431514), we get a palindrome (4582854).

The spelling of 4151340 in words is "four million, one hundred fifty-one thousand, three hundred forty".