2951506 has 16 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 1358656.

The previous prime is 2951503. The next prime is 2951513. The reversal of 2951506 is 6051592.

It is a super-2 number, since 2×2951506² = 17422775336072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2951503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^2951506 is an apocalyptic number.

2951506 is a deficient number, since it is larger than the sum of its proper divisors (1838510).

2951506 is a wasteful number, since it uses less digits than its factorization.

2951506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2951506 is about 1717.9947613424. The cubic root of 2951506 is about 143.4436156246.

Subtracting from 2951506 its product of nonzero digits (2700), we obtain a triangular number (2948806 = T₂₄₂₈).

The spelling of 2951506 in words is "two million, nine hundred fifty-one thousand, five hundred six".