6155940 has 48 divisors (see below), whose sum is σ = 19700352. Its totient is φ = 1406976.

The previous prime is 6155939. The next prime is 6155957. The reversal of 6155940 is 495516.

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

It is a d-powerful number, because it can be written as 6⁵ + 1 + 5 + 5⁹ + 9³ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6155898 and 6155907.

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, 6909 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (410424).

Almost surely, 2^6155940 is an apocalyptic number.

6155940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6155940 is an abundant number, since it is smaller than the sum of its proper divisors (13544412).

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

6155940 is a wasteful number, since it uses less digits than its factorization.

6155940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676 (or 14674 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6155940 is about 2481.1166840759. The cubic root of 6155940 is about 183.2728468965.

It can be divided in two parts, 615 and 5940, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 6155940 in words is "six million, one hundred fifty-five thousand, nine hundred forty".