6157990 has 8 divisors (see below), whose sum is σ = 11084400. Its totient is φ = 2463192.

The previous prime is 6157979. The next prime is 6157993. The reversal of 6157990 is 997516.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6157993) 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, 307890 + ... + 307909.

It is an arithmetic number, because the mean of its divisors is an integer number (1385550).

Almost surely, 2^6157990 is an apocalyptic number.

6157990 is a deficient number, since it is larger than the sum of its proper divisors (4926410).

6157990 is a wasteful number, since it uses less digits than its factorization.

6157990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615806.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 6157990 is about 2481.5297701216. The cubic root of 6157990 is about 183.2931886389.

The spelling of 6157990 in words is "six million, one hundred fifty-seven thousand, nine hundred ninety".