1926261 has 12 divisors (see below), whose sum is σ = 2885792. Its totient is φ = 1284012.

The previous prime is 1926259. The next prime is 1926263. The reversal of 1926261 is 1626291.

It is an interprime number because it is at equal distance from previous prime (1926259) and next prime (1926263).

It is not a de Polignac number, because 1926261 - 2¹ = 1926259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1926263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3721 + ... + 4206.

2^1926261 is an apocalyptic number.

It is an amenable number.

1926261 is a deficient number, since it is larger than the sum of its proper divisors (959531).

1926261 is an frugal number, since it uses more digits than its factorization.

1926261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942 (or 7930 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1926261 is about 1387.8980510110. The cubic root of 1926261 is about 124.4242535329.

It can be divided in two parts, 1926 and 261, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1926261 in words is "one million, nine hundred twenty-six thousand, two hundred sixty-one".