1906465 has 16 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 1304320.

The previous prime is 1906453. The next prime is 1906477. The reversal of 1906465 is 5646091.

It is an interprime number because it is at equal distance from previous prime (1906453) and next prime (1906477).

It is not a de Polignac number, because 1906465 - 2⁷ = 1906337 is a prime.

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, 85 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2^1906465 is an apocalyptic number.

It is an amenable number.

1906465 is a deficient number, since it is larger than the sum of its proper divisors (737375).

1906465 is a wasteful number, since it uses less digits than its factorization.

1906465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1906465 is about 1380.7479856947. The cubic root of 1906465 is about 123.9965529739.

The spelling of 1906465 in words is "one million, nine hundred six thousand, four hundred sixty-five".