6240994 has 4 divisors (see below), whose sum is σ = 9361494. Its totient is φ = 3120496.

The previous prime is 6240991. The next prime is 6241009. The reversal of 6240994 is 4990426.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 2140369 = 2025^2 + 1463^2 .

It is a super-2 number, since 2×6240994² = 77900012216072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6240991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560247 + ... + 1560250.

Almost surely, 2^6240994 is an apocalyptic number.

6240994 is a deficient number, since it is larger than the sum of its proper divisors (3120500).

6240994 is a wasteful number, since it uses less digits than its factorization.

6240994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120499.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 6240994 is about 2498.1981506678. The cubic root of 6240994 is about 184.1130567008.

The spelling of 6240994 in words is "six million, two hundred forty thousand, nine hundred ninety-four".