1761942 has 48 divisors (see below), whose sum is σ = 4424112. Its totient is φ = 463680.

The previous prime is 1761941. The next prime is 1761943. The reversal of 1761942 is 2491671.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1761941) and next prime (1761943).

It is a super-2 number, since 2×1761942² = 6208879222728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1761941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3592 + ... + 4052.

It is an arithmetic number, because the mean of its divisors is an integer number (92169).

2^1761942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1761942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212056).

1761942 is an abundant number, since it is smaller than the sum of its proper divisors (2662170).

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

1761942 is a wasteful number, since it uses less digits than its factorization.

1761942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 486 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1761942 is about 1327.3816331410. The cubic root of 1761942 is about 120.7806055585.

The spelling of 1761942 in words is "one million, seven hundred sixty-one thousand, nine hundred forty-two".