2263690 has 32 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 759360.

The previous prime is 2263687. The next prime is 2263691. The reversal of 2263690 is 963622.

It is a super-2 number, since 2×2263690² = 10248584832200, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁹ + 6³ + 3¹⁰ + 6⁸ + 9 + 0 .

It is not an unprimeable number, because it can be changed into a prime (2263691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2^2263690 is an apocalyptic number.

2263690 is an abundant number, since it is smaller than the sum of its proper divisors (2526326).

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

2263690 is a wasteful number, since it uses less digits than its factorization.

2263690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2263690 is about 1504.5564130334. The cubic root of 2263690 is about 131.3022951094.

It can be divided in two parts, 226 and 3690, that added together give a triangular number (3916 = T₈₈).

The spelling of 2263690 in words is "two million, two hundred sixty-three thousand, six hundred ninety".