1947974 has 16 divisors (see below), whose sum is σ = 3395616. Its totient is φ = 820800.

The previous prime is 1947973. The next prime is 1947977. The reversal of 1947974 is 4797491.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (212226).

2^1947974 is an apocalyptic number.

1947974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1947974 is a deficient number, since it is larger than the sum of its proper divisors (1447642).

1947974 is a wasteful number, since it uses less digits than its factorization.

1947974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its digits is 63504, while the sum is 41.

The square root of 1947974 is about 1395.6983914872. The cubic root of 1947974 is about 124.8900152552.

It can be divided in two parts, 1947 and 974, that multiplied together give a triangular number (1896378 = T₁₉₄₇).

The spelling of 1947974 in words is "one million, nine hundred forty-seven thousand, nine hundred seventy-four".