4172990 has 16 divisors (see below), whose sum is σ = 7953552. Its totient is φ = 1570944.

The previous prime is 4172981. The next prime is 4173023. The reversal of 4172990 is 992714.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12104 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (497097).

Almost surely, 2^4172990 is an apocalyptic number.

4172990 is a deficient number, since it is larger than the sum of its proper divisors (3780562).

4172990 is a wasteful number, since it uses less digits than its factorization.

4172990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24571.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4172990 is about 2042.7897591284. The cubic root of 4172990 is about 160.9962577734.

The spelling of 4172990 in words is "four million, one hundred seventy-two thousand, nine hundred ninety".