1964190 has 32 divisors (see below), whose sum is σ = 4751136. Its totient is φ = 519680.

The previous prime is 1964189. The next prime is 1964203. The reversal of 1964190 is 914691.

It is a super-2 number, since 2×1964190² = 7716084712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 6850 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (148473).

2^1964190 is an apocalyptic number.

1964190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1964190 is an abundant number, since it is smaller than the sum of its proper divisors (2786946).

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

1964190 is a wasteful number, since it uses less digits than its factorization.

1964190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1964190 is about 1401.4956296757. The cubic root of 1964190 is about 125.2356089617.

The spelling of 1964190 in words is "one million, nine hundred sixty-four thousand, one hundred ninety".