4155490 has 16 divisors (see below), whose sum is σ = 7873920. Its totient is φ = 1574640.

The previous prime is 4155469. The next prime is 4155511. The reversal of 4155490 is 945514.

It is an interprime number because it is at equal distance from previous prime (4155469) and next prime (4155511).

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, 10746 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (492120).

Almost surely, 2^4155490 is an apocalyptic number.

4155490 is a deficient number, since it is larger than the sum of its proper divisors (3718430).

4155490 is a wasteful number, since it uses less digits than its factorization.

4155490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21897.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4155490 is about 2038.5019009066. The cubic root of 4155490 is about 160.7708892212.

The spelling of 4155490 in words is "four million, one hundred fifty-five thousand, four hundred ninety".