2642190 has 32 divisors (see below), whose sum is σ = 6562080. Its totient is φ = 680064.

The previous prime is 2642179. The next prime is 2642201. The reversal of 2642190 is 912462.

It is an interprime number because it is at equal distance from previous prime (2642179) and next prime (2642201).

It is a super-2 number, since 2×2642190² = 13962335992200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2642190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^2642190 is an apocalyptic number.

2642190 is an abundant number, since it is smaller than the sum of its proper divisors (3919890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2642190 is a wasteful number, since it uses less digits than its factorization.

2642190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2642190 is about 1625.4814671352. The cubic root of 2642190 is about 138.2466707721.

The spelling of 2642190 in words is "two million, six hundred forty-two thousand, one hundred ninety".